Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2021-1619

Disclosure Date: September 22, 2021 •
CVE-2021-1619 CVSS v3 Base Score: 9.1
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A vulnerability in the authentication, authorization, and accounting (AAA) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass NETCONF or RESTCONF authentication and do either of the following: Install, manipulate, or delete the configuration of an affected device Cause memory corruption that results in a denial of service (DoS) on an affected device This vulnerability is due to an uninitialized variable. An attacker could exploit this vulnerability by sending a series of NETCONF or RESTCONF requests to an affected device. A successful exploit could allow the attacker to use NETCONF or RESTCONF to install, manipulate, or delete the configuration of a network device or to corrupt memory on the device, resulting a DoS.

Add Assessment

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CVSS V3 Severity and Metrics
Base Score:
9.1 Critical
Impact Score:
5.2
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Cisco IOS XE Software n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • cisco

Products

  • ios xe 16.10.1,
  • ios xe 16.10.1a,
  • ios xe 16.10.1b,
  • ios xe 16.10.1c,
  • ios xe 16.10.1d,
  • ios xe 16.10.1e,
  • ios xe 16.10.1f,
  • ios xe 16.10.1g,
  • ios xe 16.10.1s,
  • ios xe 16.10.2,
  • ios xe 16.10.3,
  • ios xe 16.11.1,
  • ios xe 16.11.1a,
  • ios xe 16.11.1b,
  • ios xe 16.11.1c,
  • ios xe 16.11.1s,
  • ios xe 16.11.2,
  • ios xe 16.12.1,
  • ios xe 16.12.1a,
  • ios xe 16.12.1c,
  • ios xe 16.12.1s,
  • ios xe 16.12.1t,
  • ios xe 16.12.1w,
  • ios xe 16.12.1x,
  • ios xe 16.12.1y,
  • ios xe 16.12.1z,
  • ios xe 16.12.1z1,
  • ios xe 16.12.1za,
  • ios xe 16.12.2,
  • ios xe 16.12.2a,
  • ios xe 16.12.2s,
  • ios xe 16.12.2t,
  • ios xe 16.12.3,
  • ios xe 16.12.3a,
  • ios xe 16.12.3s,
  • ios xe 16.12.4,
  • ios xe 16.12.4a,
  • ios xe 16.12.5,
  • ios xe 16.12.5a,
  • ios xe 16.12.5b,
  • ios xe 16.3.1,
  • ios xe 16.3.10,
  • ios xe 16.3.11,
  • ios xe 16.3.1a,
  • ios xe 16.3.2,
  • ios xe 16.3.3,
  • ios xe 16.3.4,
  • ios xe 16.3.5,
  • ios xe 16.3.5b,
  • ios xe 16.3.6,
  • ios xe 16.3.7,
  • ios xe 16.3.8,
  • ios xe 16.3.9,
  • ios xe 16.4.1,
  • ios xe 16.4.2,
  • ios xe 16.4.3,
  • ios xe 16.5.1,
  • ios xe 16.5.1a,
  • ios xe 16.5.1b,
  • ios xe 16.5.2,
  • ios xe 16.5.3,
  • ios xe 16.6.1,
  • ios xe 16.6.2,
  • ios xe 16.6.3,
  • ios xe 16.6.4,
  • ios xe 16.6.4a,
  • ios xe 16.6.4s,
  • ios xe 16.6.5,
  • ios xe 16.6.5a,
  • ios xe 16.6.5b,
  • ios xe 16.6.6,
  • ios xe 16.6.7,
  • ios xe 16.6.7a,
  • ios xe 16.6.8,
  • ios xe 16.6.9,
  • ios xe 16.7.1,
  • ios xe 16.7.1a,
  • ios xe 16.7.1b,
  • ios xe 16.7.2,
  • ios xe 16.7.3,
  • ios xe 16.7.4,
  • ios xe 16.8.1,
  • ios xe 16.8.1a,
  • ios xe 16.8.1b,
  • ios xe 16.8.1c,
  • ios xe 16.8.1d,
  • ios xe 16.8.1e,
  • ios xe 16.8.1s,
  • ios xe 16.8.2,
  • ios xe 16.8.3,
  • ios xe 16.9.1,
  • ios xe 16.9.1a,
  • ios xe 16.9.1b,
  • ios xe 16.9.1c,
  • ios xe 16.9.1d,
  • ios xe 16.9.1s,
  • ios xe 16.9.2,
  • ios xe 16.9.2a,
  • ios xe 16.9.2s,
  • ios xe 16.9.3,
  • ios xe 16.9.3a,
  • ios xe 16.9.3h,
  • ios xe 16.9.3s,
  • ios xe 16.9.4,
  • ios xe 16.9.4c,
  • ios xe 16.9.5,
  • ios xe 16.9.5f,
  • ios xe 16.9.6,
  • ios xe 16.9.7,
  • ios xe 17.1.1,
  • ios xe 17.1.1a,
  • ios xe 17.1.1s,
  • ios xe 17.1.1t,
  • ios xe 17.1.2,
  • ios xe 17.1.3,
  • ios xe 17.2.1,
  • ios xe 17.2.1a,
  • ios xe 17.2.1r,
  • ios xe 17.2.1v,
  • ios xe sd-wan,
  • ios xe sd-wan 16.10.1 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.1 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.1 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.1 when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.2 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.2 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.2 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.2 when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.3 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.3 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.3 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.3 when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.3a when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.3a when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.3a when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.3a when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.10.3a when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.3b when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.3b when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.3b when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.3b when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.10.3b when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.4 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.4 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.4 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.4 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.10.4 when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.5 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.5 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.5 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.5 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.10.5 when installed on integrated services virtual router,
  • ios xe sd-wan 16.10.6 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.10.6 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.10.6 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.10.6 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.10.6 when installed on integrated services virtual router,
  • ios xe sd-wan 16.11.1 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.11.1 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.11.1 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.11.1 when installed on integrated services virtual router,
  • ios xe sd-wan 16.11.1a when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.11.1a when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.11.1a when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.11.1a when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.11.1a when installed on integrated services virtual router,
  • ios xe sd-wan 16.11.1b when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.11.1b when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.11.1b when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.11.1b when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.11.1b when installed on integrated services virtual router,
  • ios xe sd-wan 16.11.1d when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.11.1d when installed on integrated services virtual router,
  • ios xe sd-wan 16.11.1f when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.11.1s when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.11.1s when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.11.1s when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.11.1s when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.11.1s when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1 when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1 when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1a when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1a when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1a when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1a when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1a when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1a when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1b when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1b when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1b when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1b when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1b when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1b when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1b1 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1b1 when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1b1 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1b1 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1b1 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1b1 when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1c when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1c when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1c when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1c when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1c when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1c when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1d when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1d when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1d when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1d when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1d when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1d when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.1e when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.1e when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.1e when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.1e when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.1e when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.1e when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.2r when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.2r when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.2r when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.2r when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.2r when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.2r when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.3 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.3 when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.3 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.3 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.3 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.3 when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.4 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.4 when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.4 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.4 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.4 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.4 when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.4a when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.4a when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.4a when installed on integrated services virtual router,
  • ios xe sd-wan 16.12.5 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.12.5 when installed on 1100 series industrial integrated services routers,
  • ios xe sd-wan 16.12.5 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.12.5 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.12.5 when installed on cloud services router 1000v series,
  • ios xe sd-wan 16.12.5 when installed on integrated services virtual router,
  • ios xe sd-wan 16.9.1 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.9.1 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.9.1 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.9.1 when installed on integrated services virtual router,
  • ios xe sd-wan 16.9.2 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.9.2 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.9.2 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.9.2 when installed on integrated services virtual router,
  • ios xe sd-wan 16.9.3 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.9.3 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.9.3 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.9.3 when installed on integrated services virtual router,
  • ios xe sd-wan 16.9.4 when installed on 1000 series integrated services routers,
  • ios xe sd-wan 16.9.4 when installed on 4000 series integrated services routers,
  • ios xe sd-wan 16.9.4 when installed on asr 1000 series aggregation services routers,
  • ios xe sd-wan 16.9.4 when installed on integrated services virtual router

Additional Info

Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Technical Analysis