---
cve: "CVE-2020-4253"
severity: "MEDIUM"
cvss: 6.3
epss: "0.9%"
vendor: "IBM"
kev: false
exploited: false
published: "2020-03-24 16:15:12"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T18:26:56+02:00"
---

# CVE-2020-4253

> 6.3 MEDIUM

## Beschreibung

IBM Content Navigator 3.0CD does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 175559.

## CVSS-Vektor

```
CVSS:3.0/PR:L/AC:L/A:L/AV:N/S:U/UI:N/C:L/I:L/RL:O/RC:C/E:U
```

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

## Referenzen

- <https://www.ibm.com/support/pages/node/6116020>
- <https://exchange.xforce.ibmcloud.com/vulnerabilities/175559>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-4253) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_