CVE-2015-5965

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

11/08/2015

Last modified:

12/04/2025

Description

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.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:fortinet:fortios::::::::		4.3.12 (including)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

http://www.fortiguard.com/advisory/FG-IR-15-016/
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
http://www.fortiguard.com/advisory/FG-IR-15-016/
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