CVE-2026-20195
Published: May 6, 2026
Modified: May 6, 2026
CVSS v3.1
5.3
Description
A vulnerability in an identity management API endpoint of Cisco ISE could allow an unauthenticated, remote attacker to enumerate valid user accounts on an affected device. This vulnerability exists because error messages are observed when the affected API endpoint is called. An attacker could exploit this vulnerability by sending a series of crafted requests to the affected endpoint and analyzing the differentiated responses. A successful exploit could allow the attacker to compile a list of valid usernames on an affected system.
| Vendor | Product | Versions |
|---|---|---|
Cisco | Cisco Identity Services Engine Software | affected 3.3.0affected 3.3 Patch 2affected 3.3 Patch 1affected 3.3 Patch 3affected 3.4.0+16 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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