Cisco Identity Services Engine Privilege Escalation Vulnerability

published 2020-11-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19646

cvss: 4.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

A vulnerability in the Microsoft Active Directory integration of Cisco Identity Services Engine (ISE) could allow an authenticated, local attacker to elevate privileges on an affected device. To exploit this vulnerability, an attacker would need to have a valid administrator account on an affected device. The vulnerability is due to incorrect privilege assignment. An attacker could exploit this vulnerability by logging in to the system with a crafted Active Directory account. A successful exploit could allow the attacker to obtain root privileges on an affected device.

Patch / fix

fixed in 1

cisco identity_services_engine 3.0.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.4	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
NVD	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco Identity Services Engine Software

Classification

Weakness

CWE-266 Incorrect Privilege Assignment
CWE-269 Improper Privilege Management

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-priv-esc-fNZX8hHj
vendor-advisory

Sources

CVE List CVE-2020-27122
NVD CVE-2020-27122

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Summary