Vulnerability Details : CVE-2017-12261
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.
Products affected by CVE-2017-12261
- 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:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:identity_services_engine_express:1.4:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:1.4:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:identity_services_engine_virtual_appliance:2.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12261
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12261
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-12261
-
Assigned by: ykramarz@cisco.com (Secondary)
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12261
-
http://www.securitytracker.com/id/1039717
Cisco Identity Services Engine CLI Input Validation Lets Local Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
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https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-ise
Cisco Identity Services Engine Privilege Escalation VulnerabilityVendor Advisory
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http://www.securityfocus.com/bid/101641
Cisco Identity Services Engine CVE-2017-12261 Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
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