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Vulnerability details: VCID-7v4s-yerp-aaaq
Vulnerability ID VCID-7v4s-yerp-aaaq
Aliases CVE-2009-3727
Summary Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header.
Status Published
Exploitability 0.5
Weighted Severity 0.1
Risk 0.1
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
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epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
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epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
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epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.0072 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01303 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01378 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01378 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01378 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.01378 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
epss 0.07165 https://api.first.org/data/v1/epss?cve=CVE-2009-3727
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-3727.json
https://api.first.org/data/v1/epss?cve=CVE-2009-3727
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3727
GLSA-201006-20 https://security.gentoo.org/glsa/201006-20
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.70159
EPSS Score 0.0072
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.