Cyber Resilience

CVE-2023-23595

HighPublic PoC

Published: 15 January 2023

Published
15 January 2023
Modified
08 April 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0043 62.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-23595 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Bluecatnetworks Device Registration Portal. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 37.4% 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

BlueCat Device Registration Portal 2.2 allows XXE attacks that exfiltrate single-line files. A single-line file might contain credentials, such as "machine example.com login daniel password qwerty" in the documentation example for the .netrc file format. NOTE: 2.x versions are no…

more

longer supported. There is no available information about whether any later version is affected.

CWE(s)
CWE-611

Related Threats

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

Affected Assets

bluecatnetworks
device registration portal
2.2

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