CVE-2021-42761

CRITICAL

FortiWeb <6.4 - Session Fixation

Title source: llm
STIX 2.1

Description

A condition for session fixation vulnerability [CWE-384] in the session management of FortiWeb versions 6.4 all versions, 6.3.0 through 6.3.16, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 through 6.0.7, 5.9.0 through 5.9.1 may allow a remote, unauthenticated attacker to infer the session identifier of other users and possibly usurp their session.

Scores

CVSS v3 9.0
EPSS 0.0165
EPSS Percentile 82.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-384
Status published
Products (1)
fortinet/fortiweb 5.6.0 - 5.9.2
Published Feb 16, 2023
Tracked Since Feb 18, 2026