Out-of-bounds read in Cisco ASR 9000 Series Aggregation Services Routers and Cisco IOS XR - CVE-2022-20714

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Main Vulnerability Database Vulnerabilities #VU62348

Out-of-bounds read in Cisco ASR 9000 Series Aggregation Services Routers and Cisco IOS XR - CVE-2022-20714

Published: April 15, 2022


Vulnerability identifier: #VU62348
CSH Severity: High
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-2022-20714
CWE-ID: CWE-125
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 boundary condition in the data plane microcode of Lightspeed-Plus line cards. A remote attacker can send a specially crafted packet, trigger out-of-bounds read error and cause a denial of service condition on the system.


Affected software

Cisco ASR 9000 Series Aggregation Services Routers
Cisco IOS XR

How to mitigate CVE-2022-20714

Install updates from vendor's website.

Cisco IOS XR - update to 7.3.2

External References

Related Security Bulletins