CVE-2023-43124 json
BIG-IP APM Clients TunnelCrack vulnerability
published 2023-09-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47543
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
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
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
Affected products
- F5 BIG-IP Edge Client
- F5 F5 Access
Classification
- Weakness
-
- CWE-319 Cleartext Transmission of Sensitive Information
References
-
my.f5.com
/manage/s/article/K000136907
vendor-advisory, mitigation
Sources
- CVE List CVE-2023-43124
- NVD CVE-2023-43124
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.