{"id":"CVE-2023-43124","aliases":["EUVD-2023-47543","GHSA-j87c-5cr6-p64r"],"status":"published","title":"BIG-IP APM Clients TunnelCrack vulnerability","description":"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","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00172,"percentile":0.06608,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2023-09-27T15:21:50Z","modified":"2026-06-17T06:25:08Z","products":[{"vendor":"f5","product":"big-ip edge client"},{"vendor":"f5","product":"big-ip_access_policy_manager"},{"vendor":"f5","product":"big-ip_access_policy_manager_client"},{"vendor":"f5","product":"f5 access"}],"references":[{"url":"https://my.f5.com/manage/s/article/K000136907","tags":["vendor-advisory","x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43124"},{"url":"https://github.com/advisories/GHSA-j87c-5cr6-p64r"}],"sources":{"cve":[{"id":"CVE-2023-43124","title":"BIG-IP APM Clients TunnelCrack vulnerability","description":"\nBIG-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","status":"published","published":"2023-09-27T15:21:50.794Z","modified":"2024-09-23T15:06:23.816Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-47543","description":"\nBIG-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","status":"published","published":"2023-09-27T15:21:50Z","modified":"2024-09-23T15:06:23Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:16.94122Z"}],"ghsa":[{"id":"GHSA-j87c-5cr6-p64r","title":"\nBIG-IP APM clients may send IP traffic outside of the VPN tunnel.  Note: Software versions which...","description":"\nBIG-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","status":"published","published":"2023-09-27T18:30:27Z","modified":"2024-04-04T07:56:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:56:55.990291Z"}],"nvd":[{"id":"CVE-2023-43124","description":"\nBIG-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","status":"published","published":"2023-09-27T16:21:33.897Z","modified":"2026-06-17T06:25:08.783Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:08:31.699785Z"}]}}