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Fencer Vulns
high 7.2

CVE-2023-4551 json

Command Injection via Task Scheduler

published 2024-01-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54406

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

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.

Patch / fix

  • OpenText AppBuilder 23.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • OpenText AppBuilder

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

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.