BIG-IP APM Clients TunnelCrack vulnerability
Priority LOW 37CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319.
Summary
BIG-IP APM clients may send IP traffic outside of the VPN tunnel. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00279 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 Edge Client | 7.2.3 and later | — | No fix listed | CNA |
| F5 | F5 Access | 3.0 and later | — | No fix listed | CNA |
- BIG-IP Edge Client VendorF5 Affected 7.2.3 and later Fixed in — No fix listed CNA
- F5 Access VendorF5 Affected 3.0 and later Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 14.1.5.2 – 14.1.5.6; 15.1.8 – 15.1.10; 16.1.3.3 – 16.1.4 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.5.1:*:*:*:*:*:*:* | 13.1.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:17.1.0:*:*:*:*:*:*:* | 17.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:* | 7.2.3 – 7.2.4 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 14.1.5.2 – 14.1.5.6; 15.1.8 – 15.1.10; 16.1.3.3 – 16.1.4 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:13.1.5.1:*:*:*:*:*:*:* Versions 13.1.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:17.1.0:*:*:*:*:*:*:* Versions 17.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:* Versions 7.2.3 – 7.2.4 Vulnerable ·F5
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43125
- 2026-10-03 Alias added: GHSA-w439-f952-rj94
References
More F5 Big-ip Access Policy Manager 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-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-43125 · CVE Program
- CVE-2023-43125 · NVD
- FIRST EPSS
- GHSA-w439-f952-rj94 · GitHub Advisory Database · CC BY 4.0
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