Is CVE-2023-20052 actively exploited?

No active exploitation of CVE-2023-20052 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-20052 be exploited remotely?

Yes. CVE-2023-20052 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-20052?

CVE-2023-20052 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2023-20052

CWE-611Published: March 1, 2023· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed:

A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device.

This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.

NVD Source

Technical Analysis

CVE-2023-20052 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.