VDB-157002 · CVE-2019-20872 · GCVE-0-2019-20872

Mattermost Server up to 4.10.7/5.7.2/5.8.0 Local Services server-side request forgery

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mattermost Server up to 4.10.7/5.7.2/5.8.0. It has been declared as critical. Affected is an unknown function of the component Local Services. The manipulation results in server-side request forgery. This vulnerability is reported as CVE-2019-20872. The attack requires a local approach. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost Server up to 4.10.7/5.7.2/5.8.0. It has been classified as critical. Affected is some unknown processing of the component Local Services. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. SSRF can attack local services.

The weakness was disclosed 06/19/2020 (Website). The advisory is available at mattermost.com. This vulnerability is traded as CVE-2019-20872 since 06/19/2020. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 4.10.8, 5.7.3, 5.8.1 or 5.9.0 eliminates this vulnerability.

The entries VDB-156956, VDB-156957, VDB-156958 and VDB-156959 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Groupware Software

Name

Mattermost Server

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Mattermost Server 4.10.8/5.7.3/5.8.1/5.9.0

Timelineinfo

06/19/2020 🔍
06/19/2020 +0 days 🔍
06/20/2020 +1 days 🔍
10/25/2020 +127 days 🔍

Sourcesinfo

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

CVE: CVE-2019-20872 (🔍)
GCVE (CVE): GCVE-0-2019-20872
GCVE (VulDB): GCVE-100-157002
See also: 🔍

Entryinfo

Created: 06/20/2020 07:59
Updated: 10/25/2020 18:05
Changes: 06/20/2020 07:59 (39), 06/20/2020 08:04 (17), 10/25/2020 18:05 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.