What is CVE-2021-1461?

CVE-2021-1461 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Improper Verification of Cryptographic Signature. CVSS score: 4.9/10. Published 2024-11-18.

How severe is CVE-2021-1461?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Cisco Catalyst Sd-Wan Manager

CVE-2021-1461

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.

EPSS: 0.004 (34.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Cisco Catalyst Sd-wan Manager — versions 19.2.1, 18.4.4, 19.3.0
Cisco Sd-wan Vedge Router — versions 18.4.303, 18.3.7, 19.3.0

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

Frequently asked questions

What is CVE-2021-1461?: CVE-2021-1461 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Improper Verification of Cryptographic Signature. CVSS score: 4.9/10. Published 2024-11-18.
How severe is CVE-2021-1461?: Medium severity. CVSS v3 base score is 4.9 out of 10.