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CVE-2013-2264

Published: Mar 29, 2013Updated: Apr 29, 2026 Sources: CVE List NVDCWE-200
5.0MEDIUM
NVD MITRE
EPSS Score
1.3%
Top 33.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:NA:N
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200

Affected Products

asterisk
oss-projectaka open source, asterisk appliance developer kit
open sourceOn-premWeb App
Communications / voip-telephony
certified asteriskOn-premWeb App
Communications / voip-telephony
business editionOn-premWeb App
Communications / messaging-chat
digiumphonesEmbedded
Communications / voip-telephony
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2013-2264?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

http://downloads.asterisk.org/pub/security/AST-2013-003.html
downloads.asterisk.org
https://issues.asterisk.org/jira/browse/ASTERISK-21013
issues.asterisk.org

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