🛡️ CVE-2023-1831 — mattermost

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Affected software

CVE-2023-1831 is recorded against 2 packages.

• mattermost
• mattermost-server

Timeline and source

Published on 6 March 2024 and last revised on 3 April 2025. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

mattermost.com (Web)
nvd.nist.gov (Web)

Other advisories for this package

mattermost has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-24661 (3.7 Low, published 9 Apr 2026)
• CVE-2025-30179 (5.0 Medium, published 28 Mar 2025)
• CVE-2025-27933 (5.0 Medium, published 28 Mar 2025)
• CVE-2025-27715 (2.0 Low, published 28 Mar 2025)
• CVE-2025-25274 (8.0 High, published 28 Mar 2025)
• CVE-2025-25068 (8.0 High, published 28 Mar 2025)
• CVE-2025-24920 (5.0 Medium, published 28 Mar 2025)
• CVE-2024-24988 (5.0 Medium, published 11 Jan 2025)

Details

Affected Packages

References