Cyber Resilience

CVE-2023-28683

High

Published: 02 April 2023

Published
02 April 2023
Modified
21 February 2025
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS Score 0.0106 78.0th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-28683 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Jenkins Phabricator Differential. Its CVSS base score is 8.2 (High).

Operationally, ranked in the top 22.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Jenkins Phabricator Differential Plugin 2.1.5 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CWE(s)

Related Threats

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

Affected Assets

jenkins
phabricator differential
≤ 2.1.5

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.

addresses: CWE-611

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

addresses: CWE-611

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

References