CVE-2023-4551

Name: CVE-2023-4551
Creator: NVD / NIST
Published: 2024-01-29T21:15:08.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2023-4551 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper Input Validation vulnerability in OpenText AppBuilder on Windows, Linux allows OS Command Injection. The AppBuilder's Scheduler functionality that facilitates creation of scheduled tasks is vulnerable to command injection. This allows authenticated users to inject arbitrary operating system commands into the executing process. This issue affects AppBuilder: from 21.2 before 23.2. . EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

Improper Input Validation vulnerability in OpenText AppBuilder on Windows, Linux allows OS Command Injection. The AppBuilder's Scheduler functionality that facilitates creation of scheduled tasks is vulnerable to command injection. This allows authenticated users to inject arbitrary operating system commands into the executing process. This issue affects AppBuilder: from 21.2 before 23.2.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.03%

59.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Opentext	Appbuilder	>= 21.2, < 23.2

References

https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197bPermissions Required
https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197bPermissions Required

Timeline

Published: Jan 29, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4551?

How severe is CVE-2023-4551?

CVE-2023-4551 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4551?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4551?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST