Synology DiskStation Manager up to 6.2 Random Generator random values

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.

A vulnerability classified as critical has been found in Synology DiskStation Manager up to 6.2 (Network Attached Storage Software). Affected is an unknown part of the component Random Generator. The manipulation with an unknown input leads to a random values vulnerability. CWE is classifying the issue as CWE-330. The software uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Use of insufficiently random values vulnerability in SYNO.Encryption.GenRandomKey in Synology DiskStation Manager (DSM) before 6.2-23739 allows man-in-the-middle attackers to compromise non-HTTPS sessions via unspecified vectors.

The bug was discovered 07/30/2018. The weakness was presented 07/30/2018 (Website). The advisory is shared for download at This vulnerability is traded as CVE-2018-13280 since 07/05/2018. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

Upgrading to version 6.2-23739 eliminates this vulnerability.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (Synology Inc.): 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Random values
CWE: CWE-330 / CWE-310
ATT&CK: T1600.001

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DiskStation Manager 6.2-23739


07/05/2018 🔍
07/30/2018 +25 days 🔍
07/30/2018 +0 days 🔍
07/30/2018 +0 days 🔍
07/31/2018 +1 days 🔍
04/27/2023 +1731 days 🔍



Advisory: SA_18_39
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-13280 (🔍)


Created: 07/31/2018 07:07 AM
Updated: 04/27/2023 06:36 PM
Changes: 07/31/2018 07:07 AM (59), 03/11/2020 10:14 AM (2), 04/27/2023 06:29 PM (4), 04/27/2023 06:36 PM (12)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!