8.8

CVE-2018-21263

An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML response.

Data is provided by the National Vulnerability Database (NVD)
MattermostMattermost Server Version < 4.5.2
MattermostMattermost Server Version >= 4.6.0 < 4.6.2
MattermostMattermost Server Version4.7.0 Updaterc1
MattermostMattermost Server Version4.7.0 Updaterc2
MattermostMattermost Server Version4.7.0 Updaterc3
MattermostMattermost Server Version4.7.0 Updaterc4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.34% 0.534
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.