---
cve: "CVE-2020-27658"
severity: "HIGH"
cvss: 7.1
epss: "1.3%"
vendor: "Synology"
kev: false
exploited: false
published: "2020-10-29 09:15:13"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-04T01:33:43+02:00"
---

# CVE-2020-27658

> 7.1 HIGH

## Beschreibung

Synology Router Manager (SRM) before 1.2.4-8081 does not include the HTTPOnly flag in a Set-Cookie header for the session cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.synology.com/security/advisory/Synology_SA_20_14>
- <https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1086>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-27658) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_