High severity · published Jul 12, 2021
CVE-2021-26090
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…
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fortimail · Fortinet
6.2.0 through 6.2.6; 6.4.0 before 6.4.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26090
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26090
Vendor Advisory
https://fortiguard.com/advisory/FG-IR-21-042
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