Cyber Resilience

CVE-2022-26661

MediumPublic PoC

Published: 10 March 2022

Published
10 March 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0048 65.7th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-26661 is a medium-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Tryton Proteus. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 34.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An XXE issue was discovered in Tryton Application Platform (Server) 5.x through 5.0.45, 6.x through 6.0.15, and 6.1.x and 6.2.x through 6.2.5, and Tryton Application Platform (Command Line Client (proteus)) 5.x through 5.0.11, 6.x through 6.0.4, and 6.1.x and 6.2.x…

more

through 6.2.1. An authenticated user can make the server parse a crafted XML SEPA file to access arbitrary files on the system.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

tryton
proteus
5.0.0 — 5.0.12 · 6.0.0 — 6.0.5 · 6.2.0 — 6.2.2
tryton
trytond
5.0.0 — 5.0.46 · 6.0.0 — 6.0.16 · 6.2.0 — 6.2.6
debian
debian linux
10.0, 11.0, 9.0

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