kbrain

CVE-2017-12261

HIGH · CVSS 7.8EPSS 0.3%EU EUVD

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.

Key facts

CVSS score
7.8 (v3.0)
Severity
HIGH
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-264
EPSS score
0.3% (24th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2017-3834)
Published
November 2, 2017
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-3834 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine
  • cisco / identity services engine express
  • cisco / identity services engine express
  • cisco / identity services engine express
  • cisco / identity services engine express
  • cisco / identity services engine virtual appliance
  • cisco / identity services engine virtual appliance
  • cisco / identity services engine virtual appliance
  • cisco / identity services engine virtual appliance

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

  • Cisco ISE v2.0 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-10795-2017 - archived

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain
CVE-2017-12261: HIGH severity (CVSS 7.8)