Pre-auth Cmd Injection in Fortra GoAnywhere MFT pre-7.1.2
CVE-2023-0669 Published on February 6, 2023

Fortra (formerly, HelpSystems) GoAnywhere MFT suffers from a pre-authentication command injection vulnerability in the License Response Servlet due to deserializing an arbitrary attacker-controlled object. This issue was patched in version 7.1.2.

Vendor Advisory NVD

Known Exploited Vulnerability

This Fortra GoAnywhere MFT Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Fortra (formerly, HelpSystems) GoAnywhere MFT contains a pre-authentication remote code execution vulnerability in the License Response Servlet due to deserializing an attacker-controlled object.

The following remediation steps are recommended / required by March 3, 2023: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2023-0669 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

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

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2023-0669 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.


Products Associated with CVE-2023-0669

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Affected Versions

Fortra Goanywhere MFT:

Exploit Probability

EPSS
94.38%
Percentile
99.96%

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.