---
cve: "CVE-2026-20287"
severity: "MEDIUM"
cvss: 6.5
epss: "0.2%"
vendor: "Cisco"
kev: false
exploited: false
published: "2026-09-16 21:17:09"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T06:31:37+02:00"
---

# CVE-2026-20287

> 6.5 MEDIUM

## Beschreibung

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-2026-20287 are related to improper privilege managment issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-269.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Schwachstellen-Klasse

- **CWE-269** — Improper Privilege Management
  The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

## Angriffsmuster (CAPEC)

- [CAPEC-58 — Restful Privilege Elevation](https://capec.mitre.org/data/definitions/58.html) _(Severity: High)_
- [CAPEC-122 — Privilege Abuse](https://capec.mitre.org/data/definitions/122.html) _(Severity: Medium)_
- [CAPEC-233 — Privilege Escalation](https://capec.mitre.org/data/definitions/233.html)

## ATT&CK-Techniken

- [T1548 — Abuse Elevation Control Mechanism](https://attack.mitre.org/techniques/T1548/)

## Referenzen

- <https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-20287) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_