CVE-2025-20033
published 2025-01-09CVE-2025-20033: Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service…
PriorityP434medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
EPSS
0.60%
45.3th percentile
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.0.0+incompatible < 10.0.4+incompatible | 10.0.4+incompatible |
| github.com | mattermost_mattermost-server | >= 10.1.0+incompatible < 10.1.4+incompatible | 10.1.4+incompatible |
| github.com | mattermost_mattermost-server | >= 10.2.0+incompatible < 10.2.1+incompatible | 10.2.1+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250102081831-64c566a8280b | 8.0.0-20250102081831-64c566a8280b |
| github.com | mattermost_mattermost_server_v8 | >= 10.0.0 < 10.0.4 | 10.0.4 |
| github.com | mattermost_mattermost_server_v8 | >= 10.1.0 < 10.1.4 | 10.1.4 |
| github.com | mattermost_mattermost_server_v8 | >= 10.2.0 < 10.2.1 | 10.2.1 |
| github.com | mattermost_mattermost_server_v8 | >= 9.11.0 < 9.11.16 | 9.11.16 |
| mattermost | mattermost | — | — |
| mattermost | mattermost | 10.0.0 – 10.0.3 | — |
| mattermost | mattermost | 10.1.0 – 10.1.3 | — |
| mattermost | mattermost | 9.11.0 – 9.11.5 | — |
| mattermost | mattermost_server | >= 10.0.0 < 10.0.4 | 10.0.4 |
| mattermost | mattermost_server | >= 10.1.0 < 10.1.4 | 10.1.4 |
| mattermost | mattermost_server | >= 10.2.0 < 10.2.1 | 10.2.1 |
| mattermost | mattermost_server | >= 9.11.0 < 9.11.6 | 9.11.6 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
vendor_redhat4.3MEDIUM
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GHSA
Mattermost Improper Validation of Specified Type of Input vulnerability
ghsa·2025-01-09
CVE-2025-20033 [MEDIUM] CWE-1287 Mattermost Improper Validation of Specified Type of Input vulnerability
Mattermost Improper Validation of Specified Type of Input vulnerability
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
OSV
Mattermost Improper Validation of Specified Type of Input vulnerability in github.com/mattermost/mattermost-server
osv·2025-01-09
CVE-2025-20033 Mattermost Improper Validation of Specified Type of Input vulnerability in github.com/mattermost/mattermost-server
Mattermost Improper Validation of Specified Type of Input vulnerability in github.com/mattermost/mattermost-server
Mattermost Improper Validation of Specified Type of Input vulnerability in github.com/mattermost/mattermost-server.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/mattermost/mattermost-server from v9.11.0 before v9.11.16.
OSV
Mattermost Improper Validation of Specified Type of Input vulnerability
osv·2025-01-09
CVE-2025-20033 [MEDIUM] Mattermost Improper Validation of Specified Type of Input vulnerability
Mattermost Improper Validation of Specified Type of Input vulnerability
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
Red Hat
mattermost: DoS via custom post type for sysconsole plugin readers
vendor_redhat·2025-01-09·CVSS 4.3
CVE-2025-20033 [MEDIUM] CWE-1287 mattermost: DoS via custom post type for sysconsole plugin readers
mattermost: DoS via custom post type for sysconsole plugin readers
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
A security issue was discovered in Mattermost. In certain versions, Mattermost fails to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
Package: rhacm2/acm-grafana-rhel8 (Red Hat Advanced Cluster Management for Kubernetes 2) - Not affected
Package: advanced-cluster-security/rhacs-central-d
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-01-09
Published