{"id":"CVE-2017-6168","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-6168","generatedAt":"2026-10-29T01:43:32.434Z","title":"On BIG-IP versions 11.6.0-11.6.2 (fixed in 11.6.2 HF1), 12.0.0-12.1.2 HF1 (fixed in 12.1.2 HF2), or 13.0.0-13.0.0 HF2 (fixed in 13.0.0 HF3) a virtual server configured with a Client SSL profile may be vulnerable to an Adaptive Chosen Ciphertext attack…","description":"On BIG-IP versions 11.6.0-11.6.2 (fixed in 11.6.2 HF1), 12.0.0-12.1.2 HF1 (fixed in 12.1.2 HF2), or 13.0.0-13.0.0 HF2 (fixed in 13.0.0 HF3) a virtual server configured with a Client SSL profile may be vulnerable to an Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) against RSA, which when exploited, may result in plaintext recovery of encrypted messages and/or a Man-in-the-middle (MiTM) attack, despite the attacker not having gained access to the server's private key itself, aka a ROBOT attack.","published":"2017-11-17T19:29:00.000Z","lastModified":"2026-06-17T01:21:53.000Z","status":"Modified","sourceIdentifier":"f5sirt@f5.com","cvss":{"version":"3.0","score":7.4,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},"cwe":["CWE-203"],"affected":["f5/big-ip ltm","f5/big-ip application acceleration manager","f5/big-ip afm","f5/big-ip analytics","f5/big-ip apm","f5/big-ip asm","f5/big-ip link controller","f5/big-ip pem","f5/websafe"],"epss":{"score":0.19637,"percentile":0.97374,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.15063,"percentile":0.96629},{"date":"2026-09-22","score":0.19637,"percentile":0.97268}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 19.6%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/101901","tags":["Third Party Advisory","VDB Entry"],"source":"f5sirt@f5.com"},{"url":"http://www.securitytracker.com/id/1039839","tags":["Third Party Advisory","VDB Entry"],"source":"f5sirt@f5.com"},{"url":"https://robotattack.org/","tags":["Technical Description","Third Party Advisory"],"source":"f5sirt@f5.com"},{"url":"https://support.f5.com/csp/article/K21905460","tags":["Issue Tracking","Mitigation","Vendor Advisory"],"source":"f5sirt@f5.com"},{"url":"https://www.kb.cert.org/vuls/id/144389","tags":["Third Party Advisory","US Government Resource"],"source":"f5sirt@f5.com"},{"url":"http://www.securityfocus.com/bid/101901","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1039839","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://robotattack.org/","tags":["Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.f5.com/csp/article/K21905460","tags":["Issue Tracking","Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/144389","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6168","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}