THREATPORT/VULNERABILITY/CVE-2022-25313
MEDIUM SEVERITY

CVE-2022-25313

Libexpat vulnerability

CVSS
6.5
EPSS
3.3%
EPSS pct
87th
Exploited
No known
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
Affected vendor
Libexpat Project
Affected product
Libexpat
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness type (CWE)
Published
2022-02-18

Risk analysis

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

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2022-25313

  • Confirm whether Libexpat Project Libexpat is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-25313.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-25313

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-25313 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2022-25313?

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