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CVE-2025-30004: Xorcom CompletePBX is vulnerable to command injection in the administrator Task Scheduler functionality, allow

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HIGH 8.8UPGRADE

CVE-2025-30004 is a high-severity flaw (CVSS 8.8) affecting completepbx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Xorcom CompletePBX is vulnerable to command injection in the administrator Task Scheduler functionality, allowing for attackers to execute arbitrary commands as the root user. This issue affects CompletePBX: all versions up to and prior to 5.2.35

Why this priority

  • High severity
  • EPSS top 9%: very likely to be exploited
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance4.3% (top 9%)
CISA exploited listNo
WeaknessCWE-78
Published2025-03-31
Last modified2026-06-17
Publisher (CNA): VulnCheck · Vendor: xorcom

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

xorcom completepbx UPGRADE
Affected: < 5.2.36.1
Fixed in: 5.2.36.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy completepbx || rpm -q completepbx || completepbx --version
2. UPGRADE to 5.2.36.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade completepbx
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade completepbx
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-30004?

completepbx: upgrade to 5.2.36.1. Exact commands for each OS are on this page.

Is CVE-2025-30004 being exploited?

CVE-2025-30004 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-30004 affect?

CVE-2025-30004 affects completepbx. Severity is high (CVSS 8.8). Xorcom CompletePBX is vulnerable to command injection in the administrator Task Scheduler functionality, allowing for attackers to execute arbitrary commands as the root user. This issue affects CompletePBX: all versions up to and prior

How urgent is CVE-2025-30004?

Priority 59/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

References

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