XXE in Linux Kernel
CVE-2023-4554
Improper Restriction of XML External Entity Reference vulnerability in OpenText AppBuilder on Windows, Linux allows Server Side Request Forgery, Probe System Files. AppBuilder's XML processor is vulnerable to XML External Entity Processing (XXE), allowing an authenticated user to upload specially crafted XML files to induce server-side request forgery, disclose files local to the server that processes them. This issue affects AppBuilder: from 21.2 before 23.2.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.004 (35.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Linux Linux_kernel
- Microsoft Windows
- Opentext Appbuilder — versions 23.2, 21.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@opentext.com (Permissions Required)
Frequently asked questions
- What is CVE-2023-4554?
- CVE-2023-4554 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 4.9/10. Published 2024-01-29.
- How severe is CVE-2023-4554?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2023-4554 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.