Cryptographic Flaw in FortiMail's Identity-Based Encryption Service
CVE-2021-26099

4.4MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortinet Fortimail
Vendor
CVE Published:
12 July 2021

What is CVE-2021-26099?

A security vulnerability exists in the Identity-Based Encryption service of FortiMail prior to version 7.0.0. This flaw may enable an attacker who gains access to the encrypted master keys to breach their confidentiality. By analyzing specific invariant properties of the ciphertext produced by the service, an adversary could potentially compromise sensitive information.

Affected Version(s)

Fortinet FortiMail FortiMail before 7.0.0

References

https://fortiguard.com/advisory/FG-IR-20-244
x_refsource_CONFIRM

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.