VDB-173068 · CVE-2021-27182 · GCVE-0-2021-27182

Alt-N MDaemon up to 20.0.3 Worldclient injection

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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Alt-N MDaemon up to 20.0.3. Impacted is an unknown function of the component Worldclient. Executing a manipulation can lead to injection. This vulnerability appears as CVE-2021-27182. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Alt-N MDaemon up to 20.0.3 (Mail Server Software). It has been declared as critical. This vulnerability affects an unknown function of the component Worldclient. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 04/15/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-27182. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1055.

Upgrading to version 20.0.4 eliminates this vulnerability. The upgrade is hosted for download at altn.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Mail Server Software

Vendor

Alt-N

Name

MDaemon

Version

License

free

Website

Vendor: https://www.altn.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
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: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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: MDaemon 20.0.4

Timelineinfo

02/10/2021 🔍
04/15/2021 +63 days 🔍
04/15/2021 +0 days 🔍
04/21/2021 +6 days 🔍

Sourcesinfo

Vendor: altn.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27182 (🔍)
GCVE (CVE): GCVE-0-2021-27182
GCVE (VulDB): GCVE-100-173068

Entryinfo

Created: 04/15/2021 11:40
Updated: 04/21/2021 08:18
Changes: 04/15/2021 11:40 (41), 04/21/2021 08:18 (5)
Complete: 🔍
Cache ID: 216::103