CVE-2025-1041: An improper input validation discovered in Avaya Call Management System could allow an unauthorized remote

This month

CRITICAL 9.9UPGRADE

CVE-2025-1041 is a critical-severity flaw (CVSS 9.9) affecting call management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper input validation discovered in Avaya Call Management System could allow an unauthorized remote command via a specially crafted web request. Affected versions include 18.x, 19.x prior to 19.2.0.7, and 20.x prior to 20.0.1.0.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-20
Published	2025-06-10
Last modified	2026-06-17

Publisher (CNA): Avaya, Inc. · Vendor: avaya

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

Am I affected?

Timeline

2025-06-10 06:15 UTCPublished CVE record published
2026-06-17 08:38 UTCUpdated Record last modified

avaya call management system UPGRADE

Affected: >= 18.0.0.1 and < 19.2.0.7 · >= 20.0 and < 20.0.1.0

Fixed in: 19.2.0.7, 20.0.1.0

Safe to downgrade to: a release before 18.0.0.1

1. Check installed version

apt-cache policy call-management-system || rpm -q call-management-system || call-management-system --version

2. UPGRADE to 19.2.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade call-management-system

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade call-management-system

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 18.0.0.1 (Debian / Ubuntu)

apt-cache madison call-management-system sudo apt install call-management-system=<VERSION_BEFORE_18.0.0.1> sudo apt-mark hold call-management-system

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list call-management-system sudo dnf downgrade call-management-system-<VERSION_BEFORE_18.0.0.1> sudo dnf versionlock add call-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-1041?

call management system: upgrade to 19.2.0.7, 20.0.1.0. Exact commands for each OS are on this page.

Is CVE-2025-1041 being exploited?

CVE-2025-1041 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-2025-1041 affect?

CVE-2025-1041 affects call management system. Severity is critical (CVSS 9.9). An improper input validation discovered in Avaya Call Management System could allow an unauthorized remote command via a specially crafted web request. Affected versions include 18.x, 19.x prior to 19.2.0.7, and 20.x prior to 20.0.1.0.

How urgent is CVE-2025-1041?

Priority 44/100. Critical severity

References

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