VULNERABILITY INTELLIGENCE

CVE-2009-5140

CVSS score8.8 HIGH
EPSS probability1.36%
CISA KEVNot currently listed
Published2020-02-12
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-307: Improper Restriction of Excessive Authentication Attempts

Primary references