CVE-2021-42753

CVSS V2 High 8.5 CVSS V3 High 8.1

Description

An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiWeb management interface 6.4.1 and below, 6.3.15 and below, 6.2.x, 6.1.x, 6.0.x, 5.9.x and 5.8.x may allow an authenticated attacker to perform an arbitrary file and directory deletion in the device filesystem.

Overview

CVE ID
CVE-2021-42753

Assigner
psirt@fortinet.com

Vulnerability Status
Analyzed

Published Version
2022-02-02T11:15:07

Last Modified Date
2022-02-07T14:48:54

Weakness Enumerations

CWE	URL
CWE-22	http://cwe.mitre.org/data/definitions/22.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:fortinet:fortiweb::::::::	1	OR	5.8.0	6.3.16
cpe:2.3:a:fortinet:fortiweb::::::::	1	OR	6.4.0	6.4.2

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
8.5

Severity
HIGH

Exploitability Score
8

Impact Score
9.2

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
8.1

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.2

References

Reference URL	Reference Tags
https://fortiguard.com/psirt/FG-IR-21-158	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-42753
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42753

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:34:08				Added to TrackCVE
2022-12-06 08:19:55	2022-02-02T11:15Z	2022-02-02T11:15:07	CVE Published Date	updated
2022-12-06 08:19:55		2022-02-07T14:48:54	CVE Modified Date	updated
2022-12-06 08:19:55		Analyzed	Vulnerability Status	updated