Home/CVE/The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, wh
CVE

CVE-2015-5965

The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, wh

The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, which makes it easier for remote attackers to spoof encrypted content via a crafted MAC field.

MEDIUM · CVSS 5 EPSS 0.0035
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
fortinet fortios<= 4.3.12
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Published to NVD11 Aug 2015 · 02:59 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.fortiguard.com/advisory/FG-IR-15-016/Vendor Advisory
http://www.securityfocus.com/bid/76065
http://www.securitytracker.com/id/1033256
https://security.gentoo.org/glsa/201508-01
https://vivaldi.net/en-US/blogs/entry/the-poodle-has-friends
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