7.5

CVE-2022-41787: f5 big-ip_dns NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
Published 19-10-2022Last modified 06-05-2025
Open JSON

Vulnerability summary

CVE-2022-41787 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in f5 big-ip_dns. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.73%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-10-2022
    PublishedVulnerability first disclosed.
  2. 06-05-2025
    Last modifiedVulnerability information updated.

Description

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and 13.1.x before 13.1.5.1, when DNS profile is configured on a virtual server with DNS Express enabled, undisclosed DNS queries with DNSSEC can cause TMM to terminate.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.07 pp

From 0.66% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.73%

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

F54 products
  • big-ip_dns≥ 17.0.x, < 17.0.0.1 | ≥ 16.1.x, < 16.1.3.1 | ≥ 15.1.x, < 15.1.6.1 | ≥ 14.1.x, < 14.1.5.1 | ≥ 13.1.x, < 13.1.5.1
  • big-ip_domain_name_system≥ 13.1.0, < 13.1.5.1 | ≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.6.1 | ≥ 16.1.0, < 16.1.3.1 | ≥ 17.0.0, < 17.0.0.1
  • big-ip_local_traffic_manager≥ 13.1.0, < 13.1.5.1 | ≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.6.1 | ≥ 16.1.0, < 16.1.3.1 | ≥ 17.0.0, < 17.0.0.1
  • big-ip_ltm≥ 17.0.x, < 17.0.0.1 | ≥ 16.1.x, < 16.1.3.1 | ≥ 15.1.x, < 15.1.6.1 | ≥ 14.1.x, < 14.1.5.1 | ≥ 13.1.x, < 13.1.5.1

1 vendor · 4 products

References

1 links