THREATPORT/VULNERABILITY/CVE-2023-20052
MEDIUM SEVERITY

CVE-2023-20052

Secure Endpoint vulnerability

CVSS
5.3
EPSS
7.0%
EPSS pct
93th
Exploited
No known
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.
Affected vendor
Cisco
Affected product
Secure Endpoint
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness type (CWE)
  • CWE-611 — XML External Entity (XXE) Reference
  • CWE-776 — XML Entity Expansion
Published
2023-03-01

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality.

Its EPSS score of 7.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2023-20052

  • Confirm whether Cisco Secure Endpoint is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-20052.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-20052

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