CVE-2014-4047

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-06-17 · updated 2026-06-17

Description

Asterisk Open Source 1.8.x before 1.8.28.1, 11.x before 11.10.1, and 12.x before 12.3.1 and Certified Asterisk 1.8.15 before 1.8.15-cert6 and 11.6 before 11.6-cert3 allows remote attackers to cause a denial of service (connection consumption) via a large number of (1) inactive or (2) incomplete HTTP connections.

Affected products

Digium Asterisk: 1.8.0, 1.8.0-beta1, 1.8.0-beta2, 1.8.0-beta3, 1.8.0-beta4, 1.8.0-beta5 (+183)
Digium Certified Asterisk: 1.8.15, 1.8.15-cert1, 1.8.15-cert1_rc1, 1.8.15-cert1_rc2, 1.8.15-cert1_rc3, 1.8.15-cert2 (+10)

References

http://downloads.asterisk.org/pub/security/AST-2014-007.html
http://packetstormsecurity.com/files/127089/Asterisk-Project-Security-Advisory-AST-2014-007.html
http://www.securityfocus.com/archive/1/532415/100/0/threaded
http://downloads.asterisk.org/pub/security/AST-2014-007.html
http://packetstormsecurity.com/files/127089/Asterisk-Project-Security-Advisory-AST-2014-007.html
http://www.securityfocus.com/archive/1/532415/100/0/threaded

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