FortiClient/Converter Windows local auth perm flaw 7.0.0-7.0.6,6.4.0-6.4.8
CVE-2022-33877 Published on June 13, 2023

An incorrect default permission [CWE-276] vulnerability in FortiClient (Windows) versions 7.0.0 through 7.0.6 and 6.4.0 through 6.4.8 and FortiConverter (Windows) versions 6.2.0 through 6.2.1, 7.0.0 and all versions of 6.0.0 may allow a local authenticated attacker to tamper with files in the installation folder, if FortiClient or FortiConverter is installed in an insecure folder.

NVD

Vulnerability Analysis

CVE-2022-33877 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.


Products Associated with CVE-2022-33877

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Fortinet Forticonverter
 
Fortinet FortiClient
 

Affected Versions

Fortinet FortiConverter: Fortinet FortiClientWindows:

Exploit Probability

EPSS
0.03%
Percentile
9.61%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.