Cyber Resilience

CVE-2021-37425

CriticalPublic PoC

Published: 10 August 2021

Published
10 August 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 0.0868 92.7th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-37425 is a critical-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Altova Mobiletogether Server. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 7.3% 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

Altova MobileTogether Server before 7.3 SP1 allows XXE attacks, such as an InfoSetChanges/Changes attack against /workflowmanagement, or reading mobiletogetherserver.cfg and then reading the certificate and private key.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

altova
mobiletogether server
7.3 · 7.0 — 7.3

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