2021-36382 | Devolutions Server partial cleartext transmission (DEVO-2021-0005)

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 (≈)

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CTI Interest Score

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3.6 $0-$5k 0.29

A vulnerability classified as problematic was found in Devolutions Server up to LTS 2020.3.19/2021.1.17. This vulnerability affects some unknown processing of the file connections/partial. The manipulation with an unknown input leads to a weak encryption vulnerability. The CWE definition for the vulnerability is CWE-319. As an impact it is known to affect confidentiality. CVE summarizes:

Devolutions Server before 2021.1.18, and LTS before 2020.3.20, allows attackers to intercept private keys via a man-in-the-middle attack against the connections/partial endpoint (which accepts cleartext).

The weakness was disclosed 07/12/2021 as DEVO-2021-0005. The advisory is available at devolutions.net. This vulnerability was named CVE-2021-36382 since 07/12/2021. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

Upgrading to version LTS 2020.3.20 or 2021.1.18 eliminates this vulnerability.



VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Weak encryption
CWE: CWE-319
ATT&CK: T1552

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Server LTS 2020.3.20/2021.1.18

07/12/2021 Advisory disclosed
07/12/2021 +0 days CVE assigned
07/12/2021 +0 days VulDB entry created
07/15/2021 +3 days VulDB last updateAdvisory: DEVO-2021-0005
Status: Confirmed

CVE: CVE-2021-36382 (🔒)

Created: 07/12/2021 20:29
Updated: 07/15/2021 13:30
Changes: (1) source_cve_cna
Complete: 🔍


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