CVE-2021-26095

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductFortinet Fortimail
PublishedJul 20, 2021
First seenJul 20, 2021

How to fix

Update
  • fortinet fortimail6.4.5 or later

Affected products

ProductAffected versionsFixed in
fortinet fortimail6.2.0 ≤ v ≤ 6.2.6, 6.4.0 ≤ v < 6.4.56.4.5

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2021-26095 · Fortinet Fortimail · Dark Radar