CVE-2021-1461

Cisco SD-WAN Software Signature Verification Bypass Vulnerability

State: Published
Severity: 4.9 Medium
Published: Nov 18, 2024
Updated: Nov 18, 2024
Reserved: Nov 13, 2020

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.

Scores

CVSS	Score	Vector	Source
3.1	4.9 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/RL:X/RC:X/E:X	cisco

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
Cisco Catalyst SD-WAN ManagerCisco	19.2.1Affected 18.4.4Affected 19.3.0Affected 19.2.2Affected 19.2.099Affected 18.3.6Affected 18.3.7Affected 19.2.0Affected 18.3.8Affected 19.0.0Affected 19.1.0Affected 18.4.302Affected 18.4.303Affected 19.2.097Affected 19.2.098Affected 17.2.10Affected 18.3.6.1Affected 19.0.1aAffected 18.2.0Affected 18.4.3Affected 18.4.1Affected 17.2.8Affected 18.3.3.1Affected 18.4.0Affected 18.3.1Affected and 16 more versions
Cisco SD-WAN vEdge RouterCisco	18.4.303Affected 18.3.7Affected 19.3.0Affected 18.2.0Affected 19.2.099Affected 17.2.10Affected 18.3.3Affected 18.3.6Affected 19.0.0Affected 17.2.6Affected 18.4.0Affected 19.1.01Affected 19.2.098Affected 18.3.1Affected 18.4.302Affected 19.2.2Affected 18.3.5Affected 17.2.9Affected 19.1.0Affected 19.2.097Affected 17.2.5Affected 17.2.8Affected 18.3.8Affected 18.3.0Affected 18.4.3Affected and 13 more versions

Product

Versions

Cisco Catalyst SD-WAN ManagerCisco

19.2.1Affected
18.4.4Affected
19.3.0Affected
19.2.2Affected
19.2.099Affected
18.3.6Affected
18.3.7Affected
19.2.0Affected
18.3.8Affected
19.0.0Affected
19.1.0Affected
18.4.302Affected
18.4.303Affected
19.2.097Affected
19.2.098Affected
17.2.10Affected
18.3.6.1Affected
19.0.1aAffected
18.2.0Affected
18.4.3Affected
18.4.1Affected
17.2.8Affected
18.3.3.1Affected
18.4.0Affected
18.3.1Affected
and 16 more versions

Cisco SD-WAN vEdge RouterCisco

18.4.303Affected
18.3.7Affected
19.3.0Affected
18.2.0Affected
19.2.099Affected
17.2.10Affected
18.3.3Affected
18.3.6Affected
19.0.0Affected
17.2.6Affected
18.4.0Affected
19.1.01Affected
19.2.098Affected
18.3.1Affected
18.4.302Affected
19.2.2Affected
18.3.5Affected
17.2.9Affected
19.1.0Affected
19.2.097Affected
17.2.5Affected
17.2.8Affected
18.3.8Affected
18.3.0Affected
18.4.3Affected
and 13 more versions

References

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