THREATPORT/VULNERABILITY/CVE-2016-4472
HIGH SEVERITY

CVE-2016-4472

Libexpat vulnerability

CVSS
8.1
EPSS
12.4%
EPSS pct
96th
Exploited
No known
The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.
Affected vendor
Libexpat Project
Affected product
Libexpat
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2016-06-30

Risk analysis

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

Its EPSS score of 12.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2016-4472

  • Confirm whether Libexpat Project Libexpat is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-4472.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-4472

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-4472 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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