VDB-172131 · CVE-2021-23921 · devo-2021-0002

Devolutions SERVER up to 2020.2 Password List Entry access control

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Devolutions SERVER up to 2020.2. This vulnerability affects unknown code of the component Password List Entry Handler. Performing a manipulation results in access control. This vulnerability is identified as CVE-2021-23921. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Devolutions SERVER up to 2020.2. It has been classified as critical. This affects an unknown functionality of the component Password List Entry Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 04/02/2021 as devo-2021-0002. It is possible to read the advisory at devolutions.net. This vulnerability is uniquely identified as CVE-2021-23921. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 2020.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Devolutions

Name

SERVER

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SERVER 2020.3

Timelineinfo

01/12/2021 🔍
04/02/2021 +79 days 🔍
04/02/2021 +0 days 🔍
04/07/2021 +5 days 🔍

Sourcesinfo

Advisory: devo-2021-0002
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-23921 (🔍)
GCVE (CVE): GCVE-0-2021-23921
GCVE (VulDB): GCVE-100-172131

Entryinfo

Created: 04/02/2021 16:13
Updated: 04/07/2021 22:53
Changes: 04/02/2021 16:13 (39), 04/07/2021 22:53 (6)
Complete: 🔍
Cache ID: 216::103