Attacker Value
Unknown
0
CVE-2021-1461
0
CVE ID
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CVE-2021-1461
(Last updated November 19, 2024) ▾
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Description
A vulnerability in the Image Signature Verification feature of Cisco SD-WAN Software could allow an authenticated, remote attacker with Administrator-level credentials to install a malicious software patch on an affected device.
The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
4.9 Medium
Impact Score:
3.6
Exploitability Score:
1.2
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Cisco Catalyst SD-WAN Manager 19.2.1
Cisco Catalyst SD-WAN Manager 18.4.4
Cisco Catalyst SD-WAN Manager 19.3.0
Cisco Catalyst SD-WAN Manager 19.2.2
Cisco Catalyst SD-WAN Manager 19.2.099
Cisco Catalyst SD-WAN Manager 18.3.6
Cisco Catalyst SD-WAN Manager 18.3.7
Cisco Catalyst SD-WAN Manager 19.2.0
Cisco Catalyst SD-WAN Manager 18.3.8
Cisco Catalyst SD-WAN Manager 19.0.0
Cisco Catalyst SD-WAN Manager 19.1.0
Cisco Catalyst SD-WAN Manager 18.4.302
Cisco Catalyst SD-WAN Manager 18.4.303
Cisco Catalyst SD-WAN Manager 19.2.097
Cisco Catalyst SD-WAN Manager 19.2.098
Cisco Catalyst SD-WAN Manager 17.2.10
Cisco Catalyst SD-WAN Manager 18.3.6.1
Cisco Catalyst SD-WAN Manager 19.0.1a
Cisco Catalyst SD-WAN Manager 18.2.0
Cisco Catalyst SD-WAN Manager 18.4.3
Cisco Catalyst SD-WAN Manager 18.4.1
Cisco Catalyst SD-WAN Manager 17.2.8
Cisco Catalyst SD-WAN Manager 18.3.3.1
Cisco Catalyst SD-WAN Manager 18.4.0
Cisco Catalyst SD-WAN Manager 18.3.1
Cisco Catalyst SD-WAN Manager 17.2.6
Cisco Catalyst SD-WAN Manager 17.2.9
Cisco Catalyst SD-WAN Manager 18.3.4
Cisco Catalyst SD-WAN Manager 17.2.5
Cisco Catalyst SD-WAN Manager 18.3.1.1
Cisco Catalyst SD-WAN Manager 18.3.5
Cisco Catalyst SD-WAN Manager 18.4.0.1
Cisco Catalyst SD-WAN Manager 18.3.3
Cisco Catalyst SD-WAN Manager 17.2.7
Cisco Catalyst SD-WAN Manager 17.2.4
Cisco Catalyst SD-WAN Manager 18.3.0
Cisco Catalyst SD-WAN Manager 19.2.3
Cisco Catalyst SD-WAN Manager 19.2.929
Cisco Catalyst SD-WAN Manager 19.2.31
Cisco Catalyst SD-WAN Manager 19.2.32
Cisco Catalyst SD-WAN Manager 19.2.4
Cisco SD-WAN vEdge Router 18.4.303
Cisco SD-WAN vEdge Router 18.3.7
Cisco SD-WAN vEdge Router 19.3.0
Cisco SD-WAN vEdge Router 18.2.0
Cisco SD-WAN vEdge Router 19.2.099
Cisco SD-WAN vEdge Router 17.2.10
Cisco SD-WAN vEdge Router 18.3.3
Cisco SD-WAN vEdge Router 18.3.6
Cisco SD-WAN vEdge Router 19.0.0
Cisco SD-WAN vEdge Router 17.2.6
Cisco SD-WAN vEdge Router 18.4.0
Cisco SD-WAN vEdge Router 19.1.01
Cisco SD-WAN vEdge Router 19.2.098
Cisco SD-WAN vEdge Router 18.3.1
Cisco SD-WAN vEdge Router 18.4.302
Cisco SD-WAN vEdge Router 19.2.2
Cisco SD-WAN vEdge Router 18.3.5
Cisco SD-WAN vEdge Router 17.2.9
Cisco SD-WAN vEdge Router 19.1.0
Cisco SD-WAN vEdge Router 19.2.097
Cisco SD-WAN vEdge Router 17.2.5
Cisco SD-WAN vEdge Router 17.2.8
Cisco SD-WAN vEdge Router 18.3.8
Cisco SD-WAN vEdge Router 18.3.0
Cisco SD-WAN vEdge Router 18.4.3
Cisco SD-WAN vEdge Router 18.4.4
Cisco SD-WAN vEdge Router 19.2.1
Cisco SD-WAN vEdge Router 17.2.4
Cisco SD-WAN vEdge Router 18.3.4
Cisco SD-WAN vEdge Router 19.0.1a
Cisco SD-WAN vEdge Router 17.2.7
Cisco SD-WAN vEdge Router 18.4.1
Cisco SD-WAN vEdge Router 19.2.0
Cisco SD-WAN vEdge Router 19.2.3
Cisco SD-WAN vEdge Router 19.2.929
Cisco SD-WAN vEdge Router 19.2.31
Cisco SD-WAN vEdge Router 19.2.32
Cisco SD-WAN vEdge Router 19.2.4
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- Cisco
Products
- Cisco Catalyst SD-WAN Manager,
- Cisco SD-WAN vEdge Router
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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