CVE-2007-2297

7.8 HIGH 2% exploit odds Fix listed

What it is

The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 2.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-04-26 20:19 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.4% in the next 30 days (EPSS).
Severity: 7.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-04-26 20:19 UTC
Last modified: 2026-06-16 22:39 UTC
Exploit probability: 2.4% · EPSS, next 30 days
Record status: Modified

Affected

Asterisk 1.2.0_beta1
Asterisk 1.2.0_beta2
Asterisk 1.2.10
Asterisk 1.2.11
Asterisk 1.2.12
Asterisk 1.2.13
Asterisk 1.2.14
Asterisk 1.2.15

Attack profile CVSS 2.0 · 7.8

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-2297.md and follow it. Check whether this project is affected by CVE-2007-2297. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record