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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | BIG-IP DNS | 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 | 17.0.0.1, 16.1.3.1, 15.1.6.1, 14.1.5.1, 13.1.5.1 | Patch available | CNA |
| F5 | BIG-IP LTM | 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 | 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 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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 17.0.0.1 | Vulnerable | F5 |
| 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 17.0.0.1 | Vulnerable | F5 |
- 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
- 2026-10-02 Threatist record created from CVE-2022-41787
- 2026-10-03 Alias added: GHSA-x82j-m6f3-7f78
References
More F5 Big-ip Domain Name System vulnerabilities
- 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
Sources
- CVE-2022-41787 · CVE Program
- CVE-2022-41787 · NVD
- FIRST EPSS
- GHSA-x82j-m6f3-7f78 · GitHub Advisory Database · CC BY 4.0
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