SonicWall GMS FPM traversal leaks binaries & config
CVE-2021-20030 Published on October 13, 2022

SonicWall GMS is vulnerable to file path manipulation resulting that an unauthenticated attacker can gain access to web directory containing application's binaries and configuration files.

NVD

Vulnerability Analysis

CVE-2021-20030 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

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

Weakness Type

What is a Directory traversal Vulnerability?

The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CVE-2021-20030 has been classified to as a Directory traversal vulnerability or weakness.


Products Associated with CVE-2021-20030

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Affected Versions

SonicWall GMS Version prior GMS 9.3.2 is affected by CVE-2021-20030

Exploit Probability

EPSS
1.14%
Percentile
78.20%

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.