CVE-2023-4554

XML External Entity (XXE) Processing

MEDIUM
6.5
CVSS Score
Published: January 29, 2024 at 08:56 PM UTC
Updated: June 17, 2026 at 06:38 AM UTC
1 product affected across 1 vendorAppBuilder· also runs on 2 platforms

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

21.2 ≤ v < 23.221.2
Vendor states this is fixed in 23.2 (unaffected)
linux-linux-kernel (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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