THREATPORT/VULNERABILITY/CVE-2022-29181
HIGH SEVERITY

CVE-2022-29181

Nokogiri vulnerability

CVSS
8.2
EPSS
3.1%
EPSS pct
86th
Exploited
No known
Nokogiri is an open source XML and HTML library for Ruby. Nokogiri prior to version 1.13.6 does not type-check all inputs into the XML and HTML4 SAX parsers, allowing specially crafted untrusted inputs to cause illegal memory access errors (segfault) or reads from unrelated memory. Version 1.13.6 contains a patch for this issue. As a workaround, ensure the untrusted input is a `String` by calling `#to_s` or equivalent.
Affected vendor
Nokogiri
Affected product
Nokogiri
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness type (CWE)
Published
2022-05-20

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, high impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2022-29181

  • Confirm whether Nokogiri Nokogiri is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-29181.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-29181

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-29181 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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