What is CVE-2020-27650?

CVE-2020-27650 is a vulnerability in Synology DiskStation Manager (DSM) before version 6.2.3-25426-2 that does not set the Secure flag for the session cookie in an HTTPS session.

How does CVE-2020-27650 impact users?

CVE-2020-27650 makes it easier for remote attackers to capture the session cookie by intercepting its transmission within an HTTP session.

Which software versions are affected by CVE-2020-27650?

Synology DiskStation Manager (DSM) versions before 6.2.3-25426-2 are affected by CVE-2020-27650.

What is the severity of CVE-2020-27650?

CVE-2020-27650 has a severity level of medium (3.7).

How can users fix CVE-2020-27650?

To fix CVE-2020-27650, users should update to version 6.2.3-25426-2 or later of Synology DiskStation Manager (DSM).

Vulnerability/
CVE-2020-27650

medium

5.8

CWE

311 614

29/10/2020

14/1/2025

CVE-2020-27650

First published: Thu Oct 29 2020(Updated: )

Synology DiskStation Manager (DSM) before 6.2.3-25426-2 does not set the Secure flag for the session cookie in an HTTPS session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an HTTP session.

Credit: security@synology.com security@synology.com

Affected Software	Affected Version	How to fix
Synology DiskStation Manager	>=6.2<6.2.3-25426-2
Synology SkyNAS Firmware	<6.2.3-25426
synology skynas
Synology DiskStation Manager	>=6.2<6.2.3-25426-2
All of
Synology SkyNAS Firmware	<6.2.3-25426
synology skynas

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Reference Links

https://www.synology.com/security/advisory/Synology_SA_20_18

Frequently Asked Questions

What is CVE-2020-27650?
CVE-2020-27650 is a vulnerability in Synology DiskStation Manager (DSM) before version 6.2.3-25426-2 that does not set the Secure flag for the session cookie in an HTTPS session.
How does CVE-2020-27650 impact users?
CVE-2020-27650 makes it easier for remote attackers to capture the session cookie by intercepting its transmission within an HTTP session.
Which software versions are affected by CVE-2020-27650?
Synology DiskStation Manager (DSM) versions before 6.2.3-25426-2 are affected by CVE-2020-27650.
What is the severity of CVE-2020-27650?
CVE-2020-27650 has a severity level of medium (3.7).
How can users fix CVE-2020-27650?
To fix CVE-2020-27650, users should update to version 6.2.3-25426-2 or later of Synology DiskStation Manager (DSM).

agent/weakness
agent/type
collector/nvd-index
agent/software-canonical-lookup-request
agent/references
agent/description
collector/mitre-cve
source/MITRE
agent/severity
agent/first-publish-date
agent/event
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/last-modified-date
agent/author
agent/softwarecombine
agent/tags
agent/source
vendor/synology
canonical/synology diskstation manager
version/synology diskstation manager/6.2
canonical/synology skynas firmware
canonical/synology skynas

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