Advisoriesby IbisCiscoCVE-2026-20237
Cisco ISE Passive Identity Connector: improper input validation
No fix yet
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC), engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20237 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Cisco ISE Passive Identity Connector Product | <= 3.2.0 | No fix yet |
| <= 3.1.0 | No fix yet | |
| <= 3.3.0 | No fix yet | |
| <= 3.4.0 | No fix yet | |
| Cisco Identity Services Engine Software Product | <= 3.1.0 | No fix yet |
| <= 3.1.0 p1 | No fix yet | |
| <= 3.1.0 p3 | No fix yet | |
| <= 3.1.0 p2 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-20