What is CVE-2022-20968?

CVE-2022-20968 is a high-severity vulnerability in Cisco Session Initiation Protocol (Sip) Software, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2022-12-08.

How severe is CVE-2022-20968?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Cisco Session Initiation Protocol (Sip) Software

CVE-2022-20968

A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent attacker to cause a stack overflow on an affected device. This vulnerability is…

Vulnerability class: Buffer Overflow

EPSS: 0.080 (92.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Cisco Session Initiation Protocol (Sip) Software — versions 9.3(4) 3rd Party, 9.3(4)SR3 3rd Party, 9.3(4)SR1 3rd Party

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cisco-sa-ipp-oobwrite-8cMF5r7U

Frequently asked questions

What is CVE-2022-20968?: CVE-2022-20968 is a high-severity vulnerability in Cisco Session Initiation Protocol (Sip) Software, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2022-12-08.
How severe is CVE-2022-20968?: High severity. CVSS v3 base score is 8.1 out of 10.