9.8

CVE-2021-42761

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.

Data is provided by the National Vulnerability Database (NVD)
FortinetFortiweb Version >= 5.6.0 < 5.9.2
FortinetFortiweb Version >= 6.0.0 < 6.0.8
FortinetFortiweb Version >= 6.1.0 < 6.1.3
FortinetFortiweb Version >= 6.2.0 < 6.2.7
FortinetFortiweb Version >= 6.3.0 < 6.3.17
FortinetFortiweb Version >= 6.4.0 < 7.0.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 1.3% 0.79
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
psirt@fortinet.com 9 2.2 6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-384 Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.