PT-2021-3854 · Fortinet · Fortimail

Published 2021-06-21 · Updated 2025-07-23 · CVE-2021-26091

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions FortiMail (affected versions not specified)

Description The issue is related to errors in the code of the pseudorandom number generator in the FortiMail IBE (Identity Based Encryption) service. This could allow a remote attacker to gain unauthorized access to protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-338

Related Identifiers

BDU:2021-04212

CVE-2021-26091

Affected Products

Fortimail

References · 10

• https://fortiguard.com/advisory/FG-IR-21-031 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26091 · Security Note
• https://bdu.fstec.ru/vul/2021-04212 · Security Note
• https://osv.dev/vulnerability/CVE-2021-26091 · Vendor Advisory
• https://t.me/cvedetector/20979 · Telegram Post
• https://t.me/cveNotify/130008 · Telegram Post
• https://twitter.com/CVEnew/status/1904199155435663502 · Twitter Post
• https://fortiguard.com/psirt/FG-IR-21-031 · Note
• https://cybersecurity-help.cz/vdb/SB2021071352 · Note
• https://t.me/cvetracker/19769 · Telegram Post