CVE-2021-26099

MEDIUM

FortiMail 5.0-6.x - Missing Cryptographic Steps in Identity-Based Encryption Service

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

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

Scores

CVSS v3 4.4

EPSS 0.0016

EPSS Percentile 36.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (1)

fortinet/fortimail 5.0 - 7.0.0

Published Jul 12, 2021

Tracked Since Feb 18, 2026