CVE-2021-26095: 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…

PriorityP347high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

0.69%

48.5th percentile

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

4 ranges

Vendor	Product	Version range	Fixed in
fortinet	fortimail	—	—
fortinet	fortimail	6.2.0 – 6.2.6	—
fortinet	fortimail	>= 6.4.0 < 6.4.5	6.4.5
fortinet	fortinet_fortimail	—	—

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

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