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TI-2022-20162 Aliases CVE-2022-41787GHSA-x82j-m6f3-7f78

BIG-IP DNS Express vulnerability CVE-2022-41787

Priority MEDIUM 40CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00746 55th percentileScored 2026-11-07
Fix Fixed BIG-IP DNS (F5): 17.0.0.1, 16.1.3.1, 15.1.6.1 +2BIG-IP LTM (F5): 17.0.0.1, 16.1.3.1, 15.1.6.1 +2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP DNS17.0.x to before 17.0.0.1; 16.1.x to before 16.1.3.1; 15.1.x to before 15.1.6.1; 14.1.x to before 14.1.5.1; 13.1.x to before 13.1.5.117.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1Patch availableCNA
F5BIG-IP LTM17.0.x to before 17.0.0.1; 16.1.x to before 16.1.3.1; 15.1.x to before 15.1.6.1; 14.1.x to before 14.1.5.1; 13.1.x to before 13.1.5.117.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1Patch availableCNA
  • BIG-IP DNS VendorF5 Affected 17.0.x to before 17.0.0.1; 16.1.x to before 16.1.3.1; 15.1.x to before 15.1.6.1; 14.1.x to before 14.1.5.1; 13.1.x to before 13.1.5.1 Fixed in 17.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1 Patch available CNA
  • BIG-IP LTM VendorF5 Affected 17.0.x to before 17.0.0.1; 16.1.x to before 16.1.3.1; 15.1.x to before 15.1.6.1; 14.1.x to before 14.1.5.1; 13.1.x to before 13.1.5.1 Fixed in 17.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*13.1.0 to before 13.1.5.1; 14.1.0 to before 14.1.5.1; 15.1.0 to before 15.1.6.1; 16.1.0 to before 16.1.3.1; 17.0.0 to before 17.0.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*13.1.0 to before 13.1.5.1; 14.1.0 to before 14.1.5.1; 15.1.0 to before 15.1.6.1; 16.1.0 to before 16.1.3.1; 17.0.0 to before 17.0.0.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.5.1; 14.1.0 to before 14.1.5.1; 15.1.0 to before 15.1.6.1; 16.1.0 to before 16.1.3.1; 17.0.0 to before 17.0.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 13.1.0 to before 13.1.5.1; 14.1.0 to before 14.1.5.1; 15.1.0 to before 15.1.6.1; 16.1.0 to before 16.1.3.1; 17.0.0 to before 17.0.0.1 Vulnerable ·F5

Remediation

  • Fix · CNA BIG-IP DNS (F5) Fixed in 17.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1
  • Fix · CNA BIG-IP LTM (F5) Fixed in 17.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-41787
  2. 2026-10-03 Alias added: GHSA-x82j-m6f3-7f78

References

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-25231 BIG-IP Configuration utility authenticated SQL injection vulnerability KEVCVSS 3.1HIGH 8.8
See all 468 →

Sources