Input validation error in Cisco Systems, Inc products - CVE-2021-1279

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Main Vulnerability Database Vulnerabilities #VU50015

Input validation error in Cisco Systems, Inc products - CVE-2021-1279

Published: January 20, 2021 / Updated: January 26, 2021


Vulnerability identifier: #VU50015
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1279
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the SNMPv3 management feature. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

Cisco SD-WAN vBond Orchestrator
Cisco SD-WAN vEdge Cloud Router
Cisco SD-WAN vEdge Routers
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
Catalyst SD-WAN Controller (formerly SD-WAN vSmart)
Cisco SD-WAN

How to mitigate CVE-2021-1279

Install updates from vendor's website.

Cisco SD-WAN - addressed in versions 18.4.6, 20.1.2, 20.3.1, 20.3.2, 20.4.1

External References

Related Security Bulletins