CVE-2021-26095
First published: Tue Jul 20 2021(Updated: )
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.
Credit: psirt@fortinet.com psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiMail | >=6.2.0<=6.2.6 | |
| Fortinet FortiMail | >=6.4.0<6.4.5 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-26095.
What is the severity level of CVE-2021-26095?
The severity level of CVE-2021-26095 is high.
Which versions of FortiMail are affected by CVE-2021-26095?
FortiMail versions 6.4.0 through 6.4.4 and 6.2.0 through 6.2.6 are affected by CVE-2021-26095.
What is the risk associated with CVE-2021-26095?
CVE-2021-26095 may allow a remote attacker to reveal, alter, or forge the session cookie.
Is there a fix available for CVE-2021-26095?
Fortinet has released patches to address the vulnerabilities. It is recommended to update to the latest version of FortiMail.
- collector/nvd-api
- collector/nvd-index
- agent/type
- agent/tags
- agent/event
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- vendor/fortinet
- canonical/fortinet fortimail
- version/fortinet fortimail/6.2.0
- version/fortinet fortimail/6.2.6
- version/fortinet fortimail/6.4.0