CVE-2015-6343

Name: CVE-2015-6343
Creator: NVD / NIST
Published: 2015-10-31T04:59:04.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.97%

Last modified Jun 17, 2026

CVE-2015-6343 is a vulnerability of currently unknown severity. The SIP implementation in Cisco IOS 15.5(3)M on Cisco Unified Border Element (CUBE) devices allows remote attackers to cause a denial of service via crafted SIP messages, aka Bug ID CSCuv79202.. EPSS estimates a 1.97% chance of exploitation in the next 30 days.

Description

The SIP implementation in Cisco IOS 15.5(3)M on Cisco Unified Border Element (CUBE) devices allows remote attackers to cause a denial of service via crafted SIP messages, aka Bug ID CSCuv79202.

Metrics

EPSS Probability

1.97%

77.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.5\(3\)m

References

Timeline

Published: Oct 31, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-6343?

The SIP implementation in Cisco IOS 15.5(3)M on Cisco Unified Border Element (CUBE) devices allows remote attackers to cause a denial of service via crafted SIP messages, aka Bug ID CSCuv79202.

How severe is CVE-2015-6343?

Severity scoring for CVE-2015-6343 is pending analysis. The EPSS model estimates a 1.97% probability of exploitation in the next 30 days.

How do I fix CVE-2015-6343?

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-2015-6343?

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

Scan your code now

Source: NVD / NIST