CVE-2017-12261

Name: CVE-2017-12261
Creator: NVD / NIST
Published: 2017-11-02T16:29:00.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.32%

Last modified Jun 17, 2026

CVE-2017-12261 is a vulnerability of currently unknown severity. A vulnerability in the restricted shell of the Cisco Identity Services Engine (ISE) that is accessible via SSH could allow an authenticated, local attacker to run arbitrary CLI commands with elevated privileges. The vulnerability is due to incomplete input validation of the user input for CLI commands issued at the restricted shell. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

A vulnerability in the restricted shell of the Cisco Identity Services Engine (ISE) that is accessible via SSH could allow an authenticated, local attacker to run arbitrary CLI commands with elevated privileges. The vulnerability is due to incomplete input validation of the user input for CLI commands issued at the restricted shell. An attacker could exploit this vulnerability by authenticating to the targeted device and executing commands that could lead to elevated privileges. An attacker would need valid user credentials to the device to exploit this vulnerability. The vulnerability affects the following Cisco Identity Services Engine (ISE) products running Release 1.4, 2.0, 2.0.1, 2.1.0: ISE, ISE Express, ISE Virtual Appliance. Cisco Bug IDs: CSCve74916.

Metrics

EPSS Probability

0.32%

23.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Identity Services Engine	1.4
Cisco	Identity Services Engine	2.0
Cisco	Identity Services Engine	2.0.1
Cisco	Identity Services Engine	2.1.0
Cisco	Identity Services Engine Express	1.4
Cisco	Identity Services Engine Express	2.0
Cisco	Identity Services Engine Express	2.0.1
Cisco	Identity Services Engine Express	2.1.0
Cisco	Identity Services Engine Virtual Appliance	1.4
Cisco	Identity Services Engine Virtual Appliance	2.0
Cisco	Identity Services Engine Virtual Appliance	2.0.1
Cisco	Identity Services Engine Virtual Appliance	2.1.0

References

http://www.securityfocus.com/bid/101641Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039717Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-iseVendor Advisory
http://www.securityfocus.com/bid/101641Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039717Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-iseVendor Advisory

Timeline

Published: Nov 2, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12261?

How severe is CVE-2017-12261?

Severity scoring for CVE-2017-12261 is pending analysis. The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12261?

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-2017-12261?

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

Scan your code now

Source: NVD / NIST