CVE-2021-26090

low-risk
Published 2021-07-12

A missing release of memory after its effective lifetime vulnerability in the Webmail of FortiMail 6.4.0 through 6.4.4 and 6.2.0 through 6.2.6 may allow an unauthenticated remote attacker to exhaust available memory via specifically crafted login requests.

Do I need to act?

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0.42% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Fortinet

References (2)

Vendor Advisory https://fortiguard.com/advisory/FG-IR-21-042
Vendor Advisory https://fortiguard.com/advisory/FG-IR-21-042
28
/ 100
low-risk
Severity 21/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal