CVE-2015-4331

Name: CVE-2015-4331
Creator: NVD / NIST
Published: 2015-08-22T17:59:00.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.78%

Last modified Jun 17, 2026

CVE-2015-4331 is a vulnerability of currently unknown severity. Cisco Prime Infrastructure (PI) 1.4(0.45) and earlier, when AAA authentication is used, allows remote authenticated users to bypass intended access restrictions via a username with a modified composition of lowercase and uppercase characters, aka Bug ID CSum59958.. EPSS estimates a 1.78% chance of exploitation in the next 30 days.

Description

Cisco Prime Infrastructure (PI) 1.4(0.45) and earlier, when AAA authentication is used, allows remote authenticated users to bypass intended access restrictions via a username with a modified composition of lowercase and uppercase characters, aka Bug ID CSum59958.

Metrics

EPSS Probability

1.78%

75.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Cisco	Prime Infrastructure	<= 1.4.0.45

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=40553Vendor Advisory
http://www.securitytracker.com/id/1033356Third Party Advisory, VDB Entry
http://tools.cisco.com/security/center/viewAlert.x?alertId=40553Vendor Advisory
http://www.securitytracker.com/id/1033356Third Party Advisory, VDB Entry

Timeline

Published: Aug 22, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4331?

How severe is CVE-2015-4331?

Severity scoring for CVE-2015-4331 is pending analysis. The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4331?

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-2015-4331?

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

Scan your code now

Source: NVD / NIST