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TI-2021-08050 Aliases CVE-2021-26099GHSA-p3qq-3w96-8x5w

Missing cryptographic steps in the Identity-Based Encryption service of FortiMail before…

Priority LOW 23Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Missing cryptographic steps in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an attacker who comes in possession of the encrypted master keys to compromise their confidentiality by observing a few invariant properties of the ciphertext.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00545 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortinet FortiMailFortiMail before 7.0.0—No fix listedCNA
  • Fortinet FortiMail VendorFortinet Affected FortiMail before 7.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*5.0 to before 7.0.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:* Versions 5.0 to before 7.0.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26099
  2. 2026-10-03 Alias added: GHSA-p3qq-3w96-8x5w

References

Advisory 1

  • TI-2026-65779 Path traversal in Fortinet FortiMail KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23811 Stack-based buffer overflow in Fortinet FortiNDR KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-07433 Improper authentication in Fortinet FortiMail CVSS 3.1CRITICAL 9.8
  • TI-2021-14584 An improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote… CVSS 3.1CRITICAL 9.8
  • TI-2021-06324 SQL injection in Fortinet FortiMail CVSS 3.1CRITICAL 9.8
  • TI-2023-25708 Improper access control in Fortinet FortiMail CVSS 3.1CRITICAL 9.0
See all 46 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences