CVE-2023-39958

Missing brute force protection on password reset token OAuth2 API controller

CVSS 5.8 MEDIUMEPSS 0.6%CWE-307

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 5.8EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

10 ago 2023Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Produtos afetados

nextcloud · security-advisories

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Referências

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vv27-g2hq-v48h https://github.com/nextcloud/server/pull/38773 https://hackerone.com/reports/1258448