Mattermost Server up to 5.7.x Robots File information disclosure

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CVSS Meta Temp Score
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7.1$0-$5k0.00

A vulnerability classified as critical was found in Mattermost Server up to 5.7.x. Affected by this vulnerability is an unknown code block of the component Robots File Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Mattermost Server before 5.8.0. It does not always generate a robots.txt file.

The weakness was published 06/19/2020 (Website). It is possible to read the advisory at mattermost.com. This vulnerability is known as CVE-2019-20885 since 06/19/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.8.0 eliminates this vulnerability.

Similar entries are available at 156956, 156957, 156958 and 156959.

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VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Mattermost Server 5.8.0

Timelineinfoedit

06/19/2020 Advisory disclosed
06/19/2020 +0 days CVE assigned
06/20/2020 +1 days VulDB entry created
10/25/2020 +127 days VulDB last update

Sourcesinfoedit

Advisory: mattermost.com
Status: Not defined
Confirmation: 🔒

CVE: CVE-2019-20885 (🔒)
See also: 🔒

Entryinfoedit

Created: 06/20/2020 08:02 AM
Updated: 10/25/2020 07:17 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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