Cyber Resilience

CVE-2020-26705

Critical

Published: 31 October 2021

Published
31 October 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0031 54.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-26705 is a critical-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Easyxml Project Easyxml. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 45.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The parseXML function in Easy-XML 0.5.0 was discovered to have a XML External Entity (XXE) vulnerability which allows for an attacker to expose sensitive data or perform a denial of service (DOS) via a crafted external entity entered into the…

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XML content as input.

CWE(s)
CWE-611

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

easyxml project
easyxml
0.5.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

References