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CVE-2017-12261

7.8 · HIGH

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 elevat…

Published Nov 2, 2017CWE-264EPSS 0.32%

Overview

CVE-2017-12261 is a high-severity vulnerability. It was published on November 2, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/101641Refwww.securitytracker.com/id/1039717Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-iseRefwww.securityfocus.com/bid/101641Refwww.securitytracker.com/id/1039717Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-ise

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12261?

CVE-2017-12261 is a high-severity vulnerability. It was published on November 2, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2017-12261?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-12261?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-12261?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12261 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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