Alt-N MDaemon Webmail 19.5.5 File Attachment cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Alt-N MDaemon Webmail 19.5.5 and classified as problematic. The impacted element is an unknown function of the component File Attachment Handler. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2020-18723. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Alt-N MDaemon Webmail 19.5.5 (Mail Server Software). Affected by this vulnerability is an unknown part of the component File Attachment Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was published 02/04/2021. The advisory is shared at kailashbohara.com.np. This vulnerability is known as CVE-2020-18723. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (49537). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: altn.com

Timelineinfo

08/13/2020 🔍
02/04/2021 +175 days 🔍
02/04/2021 +0 days 🔍
04/12/2025 +1528 days 🔍

Sourcesinfo

Vendor: altn.com

Advisory: kailashbohara.com.np
Status: Confirmed

CVE: CVE-2020-18723 (🔍)
GCVE (CVE): GCVE-0-2020-18723
GCVE (VulDB): GCVE-100-169165
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/04/2021 10:15
Updated: 04/12/2025 11:02
Changes: 02/04/2021 10:15 (39), 02/23/2021 12:24 (5), 04/12/2025 11:02 (23)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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