CVE-2021-42761

A conditionfor sessionfixation 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9 CRITICAL
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
fortinetCNA
8.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:U/RC:C
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
fortinetfortiweb
5.6.0 ≤
𝑥
< 5.9.2
fortinetfortiweb
6.0.0 ≤
𝑥
< 6.0.8
fortinetfortiweb
6.1.0 ≤
𝑥
< 6.1.3
fortinetfortiweb
6.2.0 ≤
𝑥
< 6.2.7
fortinetfortiweb
6.3.0 ≤
𝑥
< 6.3.17
fortinetfortiweb
6.4.0 ≤
𝑥
< 7.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://fortiguard.com/psirt/FG-IR-21-214
https://fortiguard.com/psirt/FG-IR-21-214