What’s Vulnerable › Vulnerabilities

CVE-2023-4551: Command Injection via Task Scheduler

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-29 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• OpenText AppBuilder: from 21.2 before 23.2 — fixed in 23.2

How to fix

Upgrade to a fixed version: OpenText AppBuilder 23.2. Check the vendor advisory for mitigations.

References

• https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b
• https://support.opentext.com/csm?id=ot_kb_search&kb_category=61648712db61781068cfd6c4e296197b

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