CVE-2017-12255

Name: CVE-2017-12255
Creator: NVD / NIST
Published: 2017-09-21T05:29:00.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.43%

Last modified Jun 17, 2026

CVE-2017-12255 is a vulnerability of currently unknown severity. A vulnerability in the CLI of Cisco UCS Central Software could allow an authenticated, local attacker to gain shell access. The vulnerability is due to insufficient input validation of commands entered in the CLI, aka a Restricted Shell Break Vulnerability. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

A vulnerability in the CLI of Cisco UCS Central Software could allow an authenticated, local attacker to gain shell access. The vulnerability is due to insufficient input validation of commands entered in the CLI, aka a Restricted Shell Break Vulnerability. An attacker could exploit this vulnerability by entering a specific command with crafted arguments. An exploit could allow the attacker to gain shell access to the underlying system. Cisco Bug IDs: CSCve70762.

Metrics

EPSS Probability

0.43%

34.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Unified Computing System	1.5\(1c\)

References

http://www.securityfocus.com/bid/100932Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039412Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-ucsVendor Advisory
http://www.securityfocus.com/bid/100932Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039412Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-ucsVendor Advisory

Timeline

Published: Sep 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12255?

How severe is CVE-2017-12255?

Severity scoring for CVE-2017-12255 is pending analysis. The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12255?

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-2017-12255?

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

Scan your code now

Source: NVD / NIST