CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Mattermost Server up to 5.7.x. Affected by this issue is some unknown processing of the component User Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:
An issue was discovered in Mattermost Server before 5.8.0. The first user is sometimes inadvertently a system admin.
The weakness was released 06/19/2020 (Website). The advisory is shared for download at mattermost.com. This vulnerability is handled as CVE-2019-20886 since 06/19/2020. The exploitation is known to be difficult. The attack may be launched remotely. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
Upgrading to version 5.8.0 eliminates this vulnerability.
Entries connected to this vulnerability are available at 156956, 156957, 156958 and 156959.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 6.1
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
ATT&CK: T1068
Local: No
Remote: Yes
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Mattermost Server 5.8.0
Timeline
06/19/2020 🔍06/19/2020 🔍
06/20/2020 🔍
10/25/2020 🔍
Sources
Advisory: mattermost.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2019-20886 (🔍)
See also: 🔍
Entry
Created: 06/20/2020 08:03Updated: 10/25/2020 19:23
Changes: 06/20/2020 08:03 (39), 06/20/2020 08:08 (17), 10/25/2020 19:23 (1)
Complete: 🔍
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