Improper Authentication in Cisco Identity Services Engine

1) Improper Authentication

EUVDB-ID: #VU64444

Risk: Medium

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-20733

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to exposed sensitive Security Assertion Markup Language (SAML) metadata in the login page. A remote attacker can use the exposed SAML metadata to bypass authentication to the user portal.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Identity Services Engine (ISE): 3.1

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_identity_services_engine:3.1:*:*:*:*:*:*:*

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-SAML-nuukMPf9

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.