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CVE-2020-27122

Cisco Identity Services Engine Privilege Escalation Vulnerability

4.4 Medium

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

0.31%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.4

Cisco Identity Services Engine Privilege Escalation Vulnerability

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.

Record
CVE-2020-27122
CVSS 3.0
4.4 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-266
Updated
2026-11-02
EUVDEUVD-2020-19646 4.4

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.

Record
EUVD-2020-19646
CVSS 3.0
4.4 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-6p6p-v55h-88vc No score

A vulnerability in the Microsoft Active Directory integration of Cisco Identity Services Engine ...

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.

Record
GHSA-6p6p-v55h-88vc
Weakness
CWE-269
Updated
2026-11-02
NVD 6.7

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.

Record
CVE-2020-27122
CVSS 3.1
6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0
4.4 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-266, CWE-269
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
facts
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-27122 is a medium vulnerability (CVSS 4.4) in Cisco Identity Services Engine, published November 6, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.

References

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