Unauthenticated Arbitrary File Read

published 2024-01-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54405

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Improper Input Validation, Files or Directories Accessible to External Parties vulnerability in OpenText AppBuilder on Windows, Linux allows Probe System Files.

An unauthenticated or authenticated user can abuse a page of AppBuilder to read arbitrary files on the server on which it is hosted.

This issue affects AppBuilder: from 21.2 before 23.2.

Patch / fix

fixed in 1

OpenText AppBuilder 23.2

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-02-01)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

OpenText AppBuilder

Classification

Weakness

CWE-20 Improper Input Validation
CWE-552 Files or Directories Accessible to External Parties

References

support.opentext.com /csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b
permissions-required

Sources

CVE List CVE-2023-4550
NVD CVE-2023-4550

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary