VULNERABILITY INTELLIGENCE
CVE-2017-6168
CVSS score7.4 HIGH
EPSS probability19.64%
CISA KEVNot currently listed
Published2017-11-17
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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.
Weakness classification
- CWE-203: Observable Discrepancy
Primary references
- f5sirt@f5.com — Third Party Advisory, VDB Entry
- f5sirt@f5.com — Third Party Advisory, VDB Entry
- f5sirt@f5.com — Technical Description, Third Party Advisory
- f5sirt@f5.com — Issue Tracking, Mitigation, Vendor Advisory
- f5sirt@f5.com — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Mitigation, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource