CVEvulnerability
CVE-2021-26095
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-07-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
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 configurations
• fortinet fortimail (>= 6.2.0 <= 6.2.6)
• fortinet fortimail (>= 6.4.0 < 6.4.5)
References
- https://fortiguard.com/advisory/FG-IR-21-019 Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-019 Vendor Advisory