# CVE-2024-48872: Bypass of "Max failed attempts" restriction via race condition

> CVE-2024-48872: Bypass of "Max failed attempts" restriction via race condition. CVSS 4.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2024-48872
Last updated: 2026-06-17T07:58:56Z

- Published: 2024-12-16 08:01 UTC · Updated: 2026-06-17 07:58 UTC · Assigner: Mattermost
- CVSS: 4.8 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS: 0.26%, 17th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-362

## Description

Mattermost versions 10.1.x \<= 10.1.2, 10.0.x \<= 10.0.2, 9.11.x \<= 9.11.4, and 9.5.x \<= 9.5.12 fail to prevent concurrently checking and updating the failed login attempts. which allows an attacker to bypass of "Max failed attempts" restriction and send a big number of login attempts before being blocked via simultaneously sending multiple login requests

## Affected vendors and products

- Mattermost: Mattermost

## Tracked companies

- [Mattermost](https://rewindex.com/company/mattermost.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2024-48872)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2024-48872)
- [https://mattermost.com/security-updates](https://mattermost.com/security-updates)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2024-48872 · Markdown: https://rewindex.com/cve/CVE-2024-48872.md · JSON: https://rewindex.com/api/v1/cves/CVE-2024-48872 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:12:58.853Z