Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.
CVE-2007-1306
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 97.2%
- KEV
- Not listed
Published
March 7, 2007
Last Modified
April 23, 2026
References (30)
- cve@mitrehttp://asterisk.org/node/48319
- cve@mitrehttp://asterisk.org/node/48320
- cve@mitrehttp://labs.musecurity.com/advisories/MU-200703-01.txt
- cve@mitrehttp://secunia.com/advisories/24380
- cve@mitrehttp://secunia.com/advisories/24578
- cve@mitrehttp://secunia.com/advisories/25582
- cve@mitrehttp://security.gentoo.org/glsa/glsa-200703-14.xml
- cve@mitrehttp://www.debian.org/security/2007/dsa-1358
- cve@mitrehttp://www.kb.cert.org/vuls/id/228032
- cve@mitrehttp://www.novell.com/linux/security/advisories/2007_34_asterisk.html
- cve@mitrehttp://www.osvdb.org/33888
- cve@mitrehttp://www.securityfocus.com/bid/22838
- cve@mitrehttp://www.securitytracker.com/id?1017723
- cve@mitrehttp://www.vupen.com/english/advisories/2007/0830
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/32830
Data Freshness Timeline
(refreshed 5× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
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- 2026-07-08 14:27 UTCOSV refresh
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- 2026-06-20 02:12 UTCOSV refresh
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 03:53 UTCEG score recompute
- 2026-05-31 03:53 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 17:06 UTCOSV refresh
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-27 13:37 UTCEPSS rescore
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- 2026-05-20 22:36 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-3407✓ verifiedFirst seen Mar 4, 2007
Asterisk 1.2.15/1.4.0 - Remote Denial of Service
Open source ↗
Frequently asked(4)
What is CVE-2007-1306?
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How do I remediate CVE-2007-1306?
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