Vulnerability in Fortinet Fortios
CVE-2018-9192
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 SSL Deep Inspection feature when CPx being used.
EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Fortinet Fortios — versions 6.0.0, 6.0.1
- Fortinet, Inc. Fortios — versions 6.0.1, 6.0.0, 5.4.9, 5.4.8, 5.4.7, 5.4.6
Weakness classification (CWE)
References
- psirt@fortinet.com (Third Party Advisory, x_refsource_MISC)
- psirt@fortinet.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@fortinet.com (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2018-9192?
- CVE-2018-9192 is a medium-severity vulnerability in Fortinet Fortios, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2018-09-05.
- How severe is CVE-2018-9192?
- Medium severity. CVSS v3 base score is 5.9 out of 10.