THREATPORT/VULNERABILITY/CVE-2021-42260
HIGH SEVERITY

CVE-2021-42260

Tinyxml vulnerability

CVSS
7.5
EPSS
3.1%
EPSS pct
86th
Exploited
No known
TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in tinyxmlparser.cpp via the TIXML_UTF_LEAD_0 case. It can be triggered by a crafted XML message and leads to a denial of service.
Affected vendor
Tinyxml Project
Affected product
Tinyxml
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)
Published
2021-10-11

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 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-2021-42260

  • Confirm whether Tinyxml Project Tinyxml is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-42260.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-42260

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