CVE-2009-3704

Name: CVE-2009-3704
Creator: NVD / NIST
Published: 2009-10-16T17:30:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.14%

Last modified Jun 16, 2026

CVE-2009-3704 is a vulnerability of currently unknown severity. ZoIPer 2.22, and possibly other versions before 2.24 Library 5324, allows remote attackers to cause a denial of service (crash) via a SIP INVITE request with an empty Call-Info header.. EPSS estimates a 8.14% chance of exploitation in the next 30 days.

Description

ZoIPer 2.22, and possibly other versions before 2.24 Library 5324, allows remote attackers to cause a denial of service (crash) via a SIP INVITE request with an empty Call-Info header.

Metrics

EPSS Probability

8.14%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Zoiper	Zoiper	<= 2.22
Zoiper	Zoiper	2.0
Zoiper	Zoiper	2.10
Zoiper	Zoiper	2.11

References

Timeline

Published: Oct 16, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-3704?

ZoIPer 2.22, and possibly other versions before 2.24 Library 5324, allows remote attackers to cause a denial of service (crash) via a SIP INVITE request with an empty Call-Info header.

How severe is CVE-2009-3704?

Severity scoring for CVE-2009-3704 is pending analysis. The EPSS model estimates a 8.14% probability of exploitation in the next 30 days.

How do I fix CVE-2009-3704?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-3704?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST