NULL pointer dereference in Cisco Systems, Inc products - CVE-2021-1274

 

NULL pointer dereference in Cisco Systems, Inc products - CVE-2021-1274

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


Vulnerability identifier: #VU50013
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1274
CWE-ID: CWE-476
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 a NULL pointer dereference error in vDaemon. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Affected software

Cisco SD-WAN vBond Orchestrator
Cisco IOS XE SD-WAN
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)

How to mitigate CVE-2021-1274

Install updates from vendor's website.

Cisco IOS XE SD-WAN - update to 16.12.4

External References

Related Security Bulletins