CVE-2015-5965

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Summary

CVECVE-2015-5965
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-08-11 14:59:16 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:P/A:N

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:L/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fortinet Fortios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Fortinet FortiOS SSL-VPN Man in The Middle Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Fortinet FortiGate/FortiOS MAC Authentication Flaw Lets Remote Users Modify Data on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
FortiGuard af854a3a-2127-422b-91ae-364da2661108 www.fortiguard.com Vendor Advisory
Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Vivaldi Web Browser Community - 404 - Not Found af854a3a-2127-422b-91ae-364da2661108 vivaldi.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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