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High severity7.5NVD Advisory· Published Jul 20, 2021· Updated Jun 17, 2026

CVE-2021-26095

CVE-2021-26095

Description

The combination of various cryptographic issues in the session management of FortiMail 6.4.0 through 6.4.4 and 6.2.0 through 6.2.6, including the encryption construction of the session cookie, may allow a remote attacker already in possession of a cookie to possibly reveal and alter or forge its content, thereby escalating privileges.

Affected products

3
  • Fortinet/Fortimail3 versions
    cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*range: >=6.2.0,<=6.2.6
    • (no CPE)range: 6.4.0 - 6.4.4, 6.2.0 - 6.2.6
    • (no CPE)range: FortiMail 6.4.0 through 6.4.4 and 6.2.0 through 6.2.6

Patches

Vulnerability mechanics

References

1

News mentions

0

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