CVE-2021-42761

Published Feb 16, 2023 CVSS 3.1 · 8.5 High EPSS 1.5% KEV · Not listed
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.

Remediation

Vendor Solution

Please upgrade to FortiWeb version 7.0.0 or above Please upgrade to FortiWeb version 6.3.17 or above Please upgrade to FortiWeb version 6.2.7 or above Please upgrade to FortiWeb version 6.1.3 or above Please upgrade to FortiWeb version 6.0.8 or above Please upgrade to FortiWeb version 5.9.2 or above

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-29719 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.
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fortinet
Published
Updated
Oct 23, 2024, 2:50 PM
Reserved
Oct 20, 2021, 5:44 PM
Status
Modified
Published
Feb 16, 2023, 7:15 PM
Modified
Jun 17, 2026, 4:10 AM