7.8
HIGH
CVE-2017-12261
"Cisco ISE Privilege Escalation Vulnerability"
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.

INFO

Published Date :

Nov. 2, 2017, 4:29 p.m.

Last Modified :

Oct. 9, 2019, 11:22 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2017-12261 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco identity_services_engine
2 Cisco identity_services_engine_express
3 Cisco identity_services_engine_virtual_appliance
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-12261.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-12261 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-12261 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE Cisco Systems, Inc. CWE-264
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-863
  • Initial Analysis by [email protected]

    Nov. 21, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-ise No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-ise Vendor Advisory
    Changed Reference Type http://www.securitytracker.com/id/1039717 No Types Assigned http://www.securitytracker.com/id/1039717 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/101641 No Types Assigned http://www.securityfocus.com/bid/101641 Third Party Advisory, VDB Entry
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:cisco:identity_services_engine:1.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:2.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine:2.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:cisco:identity_services_engine_express:1.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_express:2.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_express:2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_express:2.1.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:1.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:2.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:2.1.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 04, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1039717 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/101641 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-12261 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-12261 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability