Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2009-5140

8.8 · HIGH

The SIP implementation on the Linksys SPA2102 phone adapter provides hashed credentials in a response to an invalid authentication challenge, which makes it easier for remote attackers to obtain ac…

Published Feb 12, 2020CWE-307EPSS 1.36%

Overview

CVE-2009-5140 is a high-severity vulnerability. It was published on February 12, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The SIP implementation on the Linksys SPA2102 phone adapter provides hashed credentials in a response to an invalid authentication challenge, which makes it easier for remote attackers to obtain access via a brute-force attack, related to a "SIP Digest Leak" issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refvoipsa.org/pipermail/voipsec_voipsa.org/2009-April/002946.htmlRefresources.enablesecurity.com/resources/sipdigestleak-tut.pdfRefvoipsa.org/pipermail/voipsec_voipsa.org/2009-April/002946.htmlRefresources.enablesecurity.com/resources/sipdigestleak-tut.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2009-5140?

CVE-2009-5140 is a high-severity vulnerability. It was published on February 12, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2009-5140?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-5140?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-5140?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-5140 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2009

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999