1. Home
  2. CVE Database
  3. CVE-2021-26100
MEDIUM · 5.9

CVE-2021-26100

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...

Vulnerability Description

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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
FortinetFortimail< 7.0.0

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2021-26100?

CVE-2021-26100 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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...

How severe is CVE-2021-26100?

CVE-2021-26100 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26100?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortimail.