Is CVE-2025-54995 in the CISA KEV catalog?

No. CVE-2025-54995 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-54995?

CVE-2025-54995 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-54995?

CVE-2025-54995 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54995?

Upgrade asterisk on debian 11 to 1:16.28.0~dfsg-0+deb11u8 or later.

CVE & CISA-KEV Catalog

CVE-2025-54995

MEDIUM

6.5

CVSS v3

NVD

Description

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.

CWE-400Resource Exhaustion CWE-1286

How to fix

Remediation Available

asteriskDebian

Fixed in:1:16.28.0~dfsg-0+deb11u8CVE-2025-54995

Fixed in:1:22.2.0~dfsg+~cs6.15.60671435-1CVE-2025-54995

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Patch2

Exploit1

github.com

Issue Tracking2

Other references1

lists.debian.org

Embed a live status badge for CVE-2025-54995

Markdown

[![CVE-2025-54995](https://tridentstack.com/cve/badge/CVE-2025-54995.svg)](https://tridentstack.com/cve/CVE-2025-54995)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-54995"><img src="https://tridentstack.com/cve/badge/CVE-2025-54995.svg" alt="CVE-2025-54995"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.