CVE-2010-4687

Name: CVE-2010-4687
Creator: NVD / NIST
Published: 2011-01-07T19:00:20.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.81%

Last modified Jun 16, 2026

CVE-2010-4687 is a vulnerability of currently unknown severity. STCAPP (aka the SCCP telephony control application) on Cisco IOS before 15.0(1)XA1 does not properly handle multiple calls to a shared line, which allows remote attackers to cause a denial of service (port hang) by simultaneously ending two calls that were controlled by CallManager Express (CME), aka Bug ID CSCtd42552.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

STCAPP (aka the SCCP telephony control application) on Cisco IOS before 15.0(1)XA1 does not properly handle multiple calls to a shared line, which allows remote attackers to cause a denial of service (port hang) by simultaneously ending two calls that were controlled by CallManager Express (CME), aka Bug ID CSCtd42552.

Metrics

EPSS Probability

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios	< 15.0\(1\)xa1

References

http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
http://www.securityfocus.com/bid/45769Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/64584Third Party Advisory, VDB Entry
http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
http://www.securityfocus.com/bid/45769Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/64584Third Party Advisory, VDB Entry

Timeline

Published: Jan 7, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-4687?

How severe is CVE-2010-4687?

Severity scoring for CVE-2010-4687 is pending analysis. The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2010-4687?

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-2010-4687?

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

Scan your code now

Source: NVD / NIST