CVE-2021-26100

7.5 highEPSS 0.3%

High (7.5) in fortinet fortimail. EPSS 0.3% chance of exploitation in the next 30 days.

A missing cryptographic step in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an unauthenticated attacker who intercepts the encrypted messages to manipulate them in such a way that makes the tampering and the recovery of the plaintexts possible.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
CWE: CWE-347
Published: 2021-07-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortimail

References

https://fortiguard.com/advisory/FG-IR-21-003
https://fortiguard.com/advisory/FG-IR-21-003

Check your stack JSON