Is CVE-2003-0761 in the CISA KEV catalog?

No. CVE-2003-0761 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-0761?

CVE-2003-0761 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2003-0761?

CVE-2003-0761 has an EPSS score of 3.90% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2003-0761?

Upgrade asterisk on debian 11 to 0.5.0 or later.

CVE & CISA-KEV Catalog

CVE-2003-0761

HIGHEPSS 89th pctl

7.5

CVSS v2

NVD

Description

Buffer overflow in the get_msg_text of chan_sip.c in the Session Initiation Protocol (SIP) protocol implementation for Asterisk releases before August 15, 2003, allows remote attackers to execute arbitrary code via certain (1) MESSAGE or (2) INFO requests.

How to fix

Remediation Available

asteriskDebian

Fixed in:0.5.0CVE-2003-0761

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.90%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Exploit1

atstake.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.