CVE-2021-26090

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2021-26090

Assigner
psirt@fortinet.com

Vulnerability Status
Analyzed

Published Version
2021-07-12T13:15:07

Last Modified Date
2021-07-13T19:26:47

Weakness Enumerations

CWE	URL
CWE-401	http://cwe.mitre.org/data/definitions/401.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:fortinet:fortimail::::::::	1	OR	6.2.0	6.2.6
cpe:2.3:a:fortinet:fortimail::::::::	1	OR	6.4.0	6.4.5

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://fortiguard.com/advisory/FG-IR-21-042	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-26090
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26090

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:07:23				Added to TrackCVE
2022-12-05 05:46:10	2021-07-12T13:15Z	2021-07-12T13:15:07	CVE Published Date	updated
2022-12-05 05:46:10		2021-07-13T19:26:47	CVE Modified Date	updated
2022-12-05 05:46:10		Analyzed	Vulnerability Status	updated