Synology Download Station prior 3.8.16-3566 server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Synology Download Station. This vulnerability affects unknown code. Such manipulation leads to server-side request forgery. This vulnerability is traded as CVE-2021-34811. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Synology Download Station and classified as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality.

The weakness was shared 06/18/2021 as SA_21_11. The advisory is shared for download at synology.com. This vulnerability is handled as CVE-2021-34811. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.8.16-3566 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Download Station 3.8.16-3566

Timelineinfo

06/16/2021 🔍
06/18/2021 +2 days 🔍
06/18/2021 +0 days 🔍
06/21/2021 +3 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_21_11
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-34811 (🔍)
GCVE (CVE): GCVE-0-2021-34811
GCVE (VulDB): GCVE-100-177224

Entryinfo

Created: 06/18/2021 07:42
Updated: 06/21/2021 14:51
Changes: 06/18/2021 07:42 (19), 06/18/2021 07:43 (18), 06/21/2021 14:50 (6), 06/21/2021 14:51 (1)
Complete: 🔍
Cache ID: 216::103

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