What is CVE-2022-20823?

CVE-2022-20823 is a high-severity vulnerability in Cisco Nx-os Software, classified under Buffer Over-read. CVSS score: 8.6/10. Published 2022-08-25.

How severe is CVE-2022-20823?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Cisco Nx-os Software

CVE-2022-20823

A vulnerability in the OSPF version 3 (OSPFv3) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incomplete inpu…

EPSS: 0.006 (71.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Nx-os Software — versions n/a

Weakness classification (CWE)

CWE-126 — Buffer Over-read

References

20220824 Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2022-20823?: CVE-2022-20823 is a high-severity vulnerability in Cisco Nx-os Software, classified under Buffer Over-read. CVSS score: 8.6/10. Published 2022-08-25.
How severe is CVE-2022-20823?: High severity. CVSS v3 base score is 8.6 out of 10.