CVE-2007-2488

CRITICAL

The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensiti...

Affects 1 product across 1 vendor.

CVSS 2.010.0
EPSS4.3%
Percentile91th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2007. A critical vulnerability affects Asterisk systems (CVE-2007-2488). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2007-GLOBAL-017867-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2007-2488?
This vulnerability was disclosed in 2007. A critical vulnerability affects Asterisk systems (CVE-2007-2488). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2007-2488?
CVE-2007-2488 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.3%.
Is CVE-2007-2488 actively exploited?
No confirmed active exploitation of CVE-2007-2488 as of 2026-09-25.
How do I remediate CVE-2007-2488?
Priority: MEDIUM.
What systems are affected by CVE-2007-2488?
CVE-2007-2488 affects Asterisk Asterisk.
Vulnerability Details
CVE IDCVE-2007-2488
BSIDBS-2007-GLOBAL-017867-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2007-05-07
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Asterisk Asterisk ≤ 1.4.4_2007-04-27
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 7101 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashd48f57c836cee1b983d7a6b2f330dd765bc4b35625580a34c0ba0ec4f08dfc526d445855a4fb21d7d651aabda440835c832435ac745b2adf978c90838dfd743d
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