VULNERABILITY INTELLIGENCE
CVE-2018-9194
CVSS score5.9 MEDIUM
EPSS probability1.13%
CISA KEVNot currently listed
Published2018-09-05
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server's private key. Fortinet FortiOS 5.4.6 to 5.4.9, 6.0.0 and 6.0.1 are vulnerable by such attack under VIP SSL feature when CPx being used.
Weakness classification
- CWE-203: Observable Discrepancy
Primary references
- psirt@fortinet.com — Vendor Advisory
- psirt@fortinet.com — Third Party Advisory
- psirt@fortinet.com — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource