6.5

CVE-2019-20844

An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mattermost ≫ Mattermost Server Version < 5.9.7
Mattermost ≫ Mattermost Server Version >= 5.15.0 < 5.15.4
Mattermost ≫ Mattermost Server Version >= 5.16.0 < 5.16.4
Mattermost ≫ Mattermost Server Version >= 5.17.0 < 5.17.2
Mattermost ≫ Mattermost Server Version5.18.0 Updaterc1
Mattermost ≫ Mattermost Server Version5.18.0 Updaterc2
Mattermost ≫ Mattermost Server Version5.18.0 Updaterc3
Mattermost ≫ Mattermost Server Version5.18.0 Updaterc4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.293
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:P/A:N
CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel

The product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does not sufficiently ensure that the message was not modified during transmission.