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

CVE-2021-1392

Disclosure Date: March 24, 2021 •
CVE-2021-1392 CVSS v3 Base Score: 7.8
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Description

A vulnerability in the CLI command permissions of Cisco IOS and Cisco IOS XE Software could allow an authenticated, local attacker to retrieve the password for Common Industrial Protocol (CIP) and then remotely configure the device as an administrative user. This vulnerability exists because incorrect permissions are associated with the show cip security CLI command. An attacker could exploit this vulnerability by issuing the command to retrieve the password for CIP on an affected device. A successful exploit could allow the attacker to reconfigure the device.

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CVSS V3 Severity and Metrics
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

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

Vendors

  • cisco

Products

  • ios 15.0(1)ey,
  • ios 15.0(1)ey1,
  • ios 15.0(1)ey2,
  • ios 15.1(3)svs,
  • ios 15.1(3)svt1,
  • ios 15.2(1)ey,
  • ios 15.2(2)e,
  • ios 15.2(2)e1,
  • ios 15.2(2)e10,
  • ios 15.2(2)e2,
  • ios 15.2(2)e3,
  • ios 15.2(2)e4,
  • ios 15.2(2)e5,
  • ios 15.2(2)e5a,
  • ios 15.2(2)e5b,
  • ios 15.2(2)e6,
  • ios 15.2(2)e7,
  • ios 15.2(2)e7b,
  • ios 15.2(2)e8,
  • ios 15.2(2)e9,
  • ios 15.2(2)ea,
  • ios 15.2(2)ea1,
  • ios 15.2(2)ea2,
  • ios 15.2(2)ea3,
  • ios 15.2(2)eb,
  • ios 15.2(2)eb1,
  • ios 15.2(2)eb2,
  • ios 15.2(2a)e2,
  • ios 15.2(2b)e,
  • ios 15.2(3)e1,
  • ios 15.2(3)e2,
  • ios 15.2(3)e3,
  • ios 15.2(3)e4,
  • ios 15.2(3)e5,
  • ios 15.2(3)ea,
  • ios 15.2(4)e5a,
  • ios 15.2(4)ea,
  • ios 15.2(4)ea1,
  • ios 15.2(4)ea10,
  • ios 15.2(4)ea2,
  • ios 15.2(4)ea3,
  • ios 15.2(4)ea4,
  • ios 15.2(4)ea5,
  • ios 15.2(4)ea6,
  • ios 15.2(4)ea7,
  • ios 15.2(4)ea8,
  • ios 15.2(4)ea9,
  • ios 15.2(4)ea9a,
  • ios 15.2(4)ec1,
  • ios 15.2(4)ec2,
  • ios 15.2(4)jaz,
  • ios 15.2(5)e,
  • ios 15.2(5)e1,
  • ios 15.2(5)e2,
  • ios 15.2(5)e2b,
  • ios 15.2(5)e2c,
  • ios 15.2(5)ea,
  • ios 15.2(5a)e1,
  • ios 15.2(6)e,
  • ios 15.2(6)e0a,
  • ios 15.2(6)e0c,
  • ios 15.2(6)e1,
  • ios 15.2(6)e1a,
  • ios 15.2(6)e1s,
  • ios 15.2(7)e0b,
  • ios 15.2(7a)e0b,
  • ios 15.2(7b)e0b,
  • ios 15.3(3)ja1,
  • ios 15.3(3)ja10,
  • ios 15.3(3)ja11,
  • ios 15.3(3)ja12,
  • ios 15.3(3)ja4,
  • ios 15.3(3)ja5,
  • ios 15.3(3)ja6,
  • ios 15.3(3)ja7,
  • ios 15.3(3)ja8,
  • ios 15.3(3)jaa,
  • ios 15.3(3)jax,
  • ios 15.3(3)jax1,
  • ios 15.3(3)jax2,
  • ios 15.3(3)jb,
  • ios 15.3(3)jbb,
  • ios 15.3(3)jbb1,
  • ios 15.3(3)jbb2,
  • ios 15.3(3)jbb4,
  • ios 15.3(3)jbb5,
  • ios 15.3(3)jbb6,
  • ios 15.3(3)jbb6a,
  • ios 15.3(3)jbb8,
  • ios 15.3(3)jc,
  • ios 15.3(3)jc1,
  • ios 15.3(3)jc14,
  • ios 15.3(3)jc2,
  • ios 15.3(3)jc3,
  • ios 15.3(3)jc4,
  • ios 15.3(3)jc5,
  • ios 15.3(3)jc6,
  • ios 15.3(3)jc8,
  • ios 15.3(3)jc9,
  • ios 15.3(3)jd,
  • ios 15.3(3)jd11,
  • ios 15.3(3)jd12,
  • ios 15.3(3)jd13,
  • ios 15.3(3)jd14,
  • ios 15.3(3)jd16,
  • ios 15.3(3)jd17,
  • ios 15.3(3)jd2,
  • ios 15.3(3)jd3,
  • ios 15.3(3)jd4,
  • ios 15.3(3)jd5,
  • ios 15.3(3)jd6,
  • ios 15.3(3)jd7,
  • ios 15.3(3)jd8,
  • ios 15.3(3)jd9,
  • ios 15.3(3)je,
  • ios 15.3(3)jf,
  • ios 15.3(3)jf1,
  • ios 15.3(3)jf10,
  • ios 15.3(3)jf11,
  • ios 15.3(3)jf12,
  • ios 15.3(3)jf12i,
  • ios 15.3(3)jf13,
  • ios 15.3(3)jf2,
  • ios 15.3(3)jf4,
  • ios 15.3(3)jf5,
  • ios 15.3(3)jf6,
  • ios 15.3(3)jf7,
  • ios 15.3(3)jf8,
  • ios 15.3(3)jf9,
  • ios 15.3(3)jg,
  • ios 15.3(3)jg1,
  • ios 15.3(3)jh,
  • ios 15.3(3)jh1,
  • ios 15.3(3)ji1,
  • ios 15.3(3)ji3,
  • ios 15.3(3)ji4,
  • ios 15.3(3)ji5,
  • ios 15.3(3)ji6,
  • ios 15.3(3)jj,
  • ios 15.3(3)jj1,
  • ios 15.3(3)jk,
  • ios 15.3(3)jk1,
  • ios 15.3(3)jk1t,
  • ios 15.3(3)jk2,
  • ios 15.3(3)jk2a,
  • ios 15.3(3)jk3,
  • ios 15.3(3)jk4,
  • ios 15.3(3)jn,
  • ios 15.3(3)jn11,
  • ios 15.3(3)jn13,
  • ios 15.3(3)jn14,
  • ios 15.3(3)jn15,
  • ios 15.3(3)jn3,
  • ios 15.3(3)jn4,
  • ios 15.3(3)jn6,
  • ios 15.3(3)jn7,
  • ios 15.3(3)jn8,
  • ios 15.3(3)jn9,
  • ios 15.3(3)jnb,
  • ios 15.3(3)jnb1,
  • ios 15.3(3)jnb2,
  • ios 15.3(3)jnb3,
  • ios 15.3(3)jnb4,
  • ios 15.3(3)jnb5,
  • ios 15.3(3)jnb6,
  • ios 15.3(3)jnc,
  • ios 15.3(3)jnc1,
  • ios 15.3(3)jnc2,
  • ios 15.3(3)jnc3,
  • ios 15.3(3)jnc4,
  • ios 15.3(3)jnd,
  • ios 15.3(3)jnd1,
  • ios 15.3(3)jnd2,
  • ios 15.3(3)jnd3,
  • ios 15.3(3)jnp,
  • ios 15.3(3)jnp1,
  • ios 15.3(3)jnp3,
  • ios 15.3(3)jpb,
  • ios 15.3(3)jpb1,
  • ios 15.3(3)jpc,
  • ios 15.3(3)jpc1,
  • ios 15.3(3)jpc2,
  • ios 15.3(3)jpc3,
  • ios 15.3(3)jpc5,
  • ios 15.3(3)jpd,
  • ios xe 16.10.1,
  • ios xe 16.10.1e,
  • ios xe 16.11.1,
  • ios xe 16.11.1a,
  • ios xe 16.11.1c,
  • ios xe 16.11.1s,
  • ios xe 16.11.2,
  • ios xe 16.12.1,
  • ios xe 16.12.1c,
  • ios xe 16.12.1s,
  • ios xe 16.12.2,
  • ios xe 16.12.2s,
  • ios xe 16.12.2t,
  • ios xe 16.12.3,
  • ios xe 16.12.3s,
  • ios xe 16.12.4,
  • ios xe 16.9.1,
  • ios xe 16.9.1d,
  • ios xe 17.1.1,
  • ios xe 17.1.1s,
  • ios xe 17.1.1t,
  • ios xe 17.1.2,
  • ios xe 17.2.1,
  • ios xe 3.3.0xo,
  • ios xe 3.3.1xo,
  • ios xe 3.3.2xo,
  • ios xe 3.6.5be,
  • ios xe 3.7.4e,
  • ios xe 3.7.5e

Additional Info

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