8.8

CVE-2022-20968: cisco cisco session initiation protocol (sip) software Out-of-bounds Write

CVSS: 8.8v3.1HighModified
Published 08-12-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-20968 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in cisco cisco session initiation protocol (sip) software. EPSS estimates a 6.35% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
6.35%
0%100%
Low · +0.26 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-12-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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 due to insufficient input validation of received Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol traffic to an affected device. A successful exploit could allow the attacker to cause a stack overflow, resulting in possible remote code execution or a denial of service (DoS) condition on an affected device.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

6.35%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

+0.26 pp

From 6.10% on 19-09-2026

19-09-202619-10-2026
EPSS score
6.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco14 products
  • cisco session initiation protocol (sip) software9.3(4) 3rd Party | 9.3(4)SR3 3rd Party | 9.3(4)SR1 3rd Party | 9.3(4)SR2 3rd Party | 11.5(1) | 11.7(1) | 11.0(0.7) MPP | 11.0(1) MPP | 11.0(1) | 11.5(1)SR1 | 11-0-1MSR1-1 | 10.4(1) 3rd Party | 10.3(1.11) 3rd Party | 10.2(2) | 10.2(1)SR1 | 10.1(1.9) | 10.1(1)SR2 | 10.2(1) | 10.1(1)SR1 | 10.4(1)SR2 3rd Party | 10.3(1) | 10.3(1)SR4b | 10.3(1)SR5 | 10.3(1.9) 3rd Party | 10.3(2) | 10.3(1)SR4 | 10.3(1)SR2 | 10.3(1)SR3 | 10.3(1)SR1 | 12.6(1) | 12.1(1) | 12.5(1)SR1 | 12.5(1)SR2 | 12.5(1) | 12.5(1)SR3 | 12.6(1)SR1 | 12.7(1) | 12.1(1)SR1 | 12.0(1) | 12.0(1)SR2 | 12.0(1)SR1 | 12.0(1)SR3 | 12.8(1) | 12.8(1)SR1 | 12.8(1)SR2 | 10.3(1)SR6 | 10.3(1)SR7 | 12.7(1)SR1 | 14.0(1)SR1 | 14.0(1) | 14.0(1)SR2 | 14.0(1)SR3 | 14.1(1) | 14.1(1)SR1
  • ip_phone_7811_firmware9.3\(3\) | 9.3\(4\) | 9.3\(4\)sr1 | 9.3\(4\)sr2 | 9.3\(4\)sr3 | 10.1\(1\)sr1 | 10.1\(1\)sr2 | 10.1\(1.9\) | 10.2\(1\) | 10.2\(1\)sr1 | 10.2\(2\) | 10.3\(1\) | 10.3\(1\)sr1 | 10.3\(1\)sr2 | 10.3\(1\)sr3 | 10.3\(1\)sr4 | 10.3\(1\)sr4b | 10.3\(1\)sr5 | 10.3\(1\)sr6 | 10.3\(1\)sr7 | 10.3\(1.9\) | 10.3\(1.11\) | 10.3\(2\) | 10.4\(1\) | 10.4\(1\)sr2 | 11-0-1msr1-1 | 11.0\(0.7\) | 11.0\(1\) | 11.5\(1\) | 11.5\(1\)sr1 | 11.7\(1\) | 12.0\(1\) | 12.0\(1\)sr1 | 12.0\(1\)sr2 | 12.0\(1\)sr3 | 12.1\(1\) | 12.1\(1\)sr1 | 12.5\(1\) | 12.5\(1\)sr1 | 12.5\(1\)sr2 | 12.5\(1\)sr3 | 12.6\(1\) | 12.6\(1\)sr1 | 12.7\(1\) | 12.7\(1\)sr1 | 12.8\(1\) | 12.8\(1\)sr1 | 12.8\(1\)sr2 | 14.0\(1\) | 14.0\(1\)sr1 | 14.0\(1\)sr2 | 14.0\(1\)sr3 | 14.1\(1\) | 14.1\(1\)sr1
  • ip_phone_7821_firmware9.3\(3\) | 9.3\(4\) | 9.3\(4\)sr1 | 9.3\(4\)sr2 | 9.3\(4\)sr3 | 10.1\(1\)sr1 | 10.1\(1\)sr2 | 10.1\(1.9\) | 10.2\(1\) | 10.2\(1\)sr1 | 10.2\(2\) | 10.3\(1\) | 10.3\(1\)sr1 | 10.3\(1\)sr2 | 10.3\(1\)sr3 | 10.3\(1\)sr4 | 10.3\(1\)sr4b | 10.3\(1\)sr5 | 10.3\(1\)sr6 | 10.3\(1\)sr7 | 10.3\(1.9\) | 10.3\(1.11\) | 10.3\(2\) | 10.4\(1\) | 10.4\(1\)sr2 | 11-0-1msr1-1 | 11.0\(0.7\) | 11.0\(1\) | 11.5\(1\) | 11.5\(1\)sr1 | 11.7\(1\) | 12.0\(1\) | 12.0\(1\)sr1 | 12.0\(1\)sr2 | 12.0\(1\)sr3 | 12.1\(1\) | 12.1\(1\)sr1 | 12.5\(1\) | 12.5\(1\)sr1 | 12.5\(1\)sr2 | 12.5\(1\)sr3 | 12.6\(1\) | 12.6\(1\)sr1 | 12.7\(1\) | 12.7\(1\)sr1 | 12.8\(1\) | 12.8\(1\)sr1 | 12.8\(1\)sr2 | 14.0\(1\) | 14.0\(1\)sr1 | 14.0\(1\)sr2 | 14.0\(1\)sr3 | 14.1\(1\) | 14.1\(1\)sr1
  • ip_phone_7832_firmware9.3\(3\) | 9.3\(4\) | 9.3\(4\)sr1 | 9.3\(4\)sr2 | 9.3\(4\)sr3 | 10.1\(1\)sr1 | 10.1\(1\)sr2 | 10.1\(1.9\) | 10.2\(1\) | 10.2\(1\)sr1 | 10.2\(2\) | 10.3\(1\) | 10.3\(1\)sr1 | 10.3\(1\)sr2 | 10.3\(1\)sr3 | 10.3\(1\)sr4 | 10.3\(1\)sr4b | 10.3\(1\)sr5 | 10.3\(1\)sr6 | 10.3\(1\)sr7 | 10.3\(1.9\) | 10.3\(1.11\) | 10.3\(2\) | 10.4\(1\) | 10.4\(1\)sr2 | 11-0-1msr1-1 | 11.0\(0.7\) | 11.0\(1\) | 11.5\(1\) | 11.5\(1\)sr1 | 11.7\(1\) | 12.0\(1\) | 12.0\(1\)sr1 | 12.0\(1\)sr2 | 12.0\(1\)sr3 | 12.1\(1\) | 12.1\(1\)sr1 | 12.5\(1\) | 12.5\(1\)sr1 | 12.5\(1\)sr2 | 12.5\(1\)sr3 | 12.6\(1\) | 12.6\(1\)sr1 | 12.7\(1\) | 12.7\(1\)sr1 | 12.8\(1\) | 12.8\(1\)sr1 | 12.8\(1\)sr2 | 14.0\(1\) | 14.0\(1\)sr1 | 14.0\(1\)sr2 | 14.0\(1\)sr3 | 14.1\(1\) | 14.1\(1\)sr1
  • ip_phone_7841_firmware9.3\(3\) | 9.3\(4\) | 9.3\(4\)sr1 | 9.3\(4\)sr2 | 9.3\(4\)sr3 | 10.1\(1\)sr1 | 10.1\(1\)sr2 | 10.1\(1.9\) | 10.2\(1\) | 10.2\(1\)sr1 | 10.2\(2\) | 10.3\(1\) | 10.3\(1\)sr1 | 10.3\(1\)sr2 | 10.3\(1\)sr3 | 10.3\(1\)sr4 | 10.3\(1\)sr4b | 10.3\(1\)sr5 | 10.3\(1\)sr6 | 10.3\(1\)sr7 | 10.3\(1.9\) | 10.3\(1.11\) | 10.3\(2\) | 10.4\(1\) | 10.4\(1\)sr2 | 11-0-1msr1-1 | 11.0\(0.7\) | 11.0\(1\) | 11.5\(1\) | 11.5\(1\)sr1 | 11.7\(1\) | 12.0\(1\) | 12.0\(1\)sr1 | 12.0\(1\)sr2 | 12.0\(1\)sr3 | 12.1\(1\) | 12.1\(1\)sr1 | 12.5\(1\) | 12.5\(1\)sr1 | 12.5\(1\)sr2 | 12.5\(1\)sr3 | 12.6\(1\) | 12.6\(1\)sr1 | 12.7\(1\) | 12.7\(1\)sr1 | 12.8\(1\) | 12.8\(1\)sr1 | 12.8\(1\)sr2 | 14.0\(1\) | 14.0\(1\)sr1 | 14.0\(1\)sr2 | 14.0\(1\)sr3 | 14.1\(1\) | 14.1\(1\)sr1

1 vendor · 14 products

References

1 links