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Medium severity4.2NVD Advisory· Published Mar 22, 2023· Updated Jun 17, 2026

CVE-2023-25820

CVE-2023-25820

Description

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Enterprise Server is the enterprise version of the file server software. In Nextcloud Server versions 25.0.x prior to 25.0.5 and versions 24.0.x prior to 24.0.10 as well as Nextcloud Enterprise Server versions 25.0.x prior to 25.0.4, 24.0.x prior to 24.0.10, 23.0.x prior to 23.0.12.5, 22.x prior to 22.2.0.10, and 21.x prior to 21.0.9.10, when an attacker gets access to an already logged in user session they can then brute force the password on the confirmation endpoint. Nextcloud Server should upgraded to 24.0.10 or 25.0.4 and Nextcloud Enterprise Server should upgraded to 21.0.9.10, 22.2.10.10, 23.0.12.5, 24.0.10, or 25.0.4 to receive a patch. No known workarounds are available.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • Nextcloud/Server3 versions
    cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*range: >=24.0.0,<24.0.10
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*range: >=21.0.0,<21.0.9
    • (no CPE)range: >=21.0.0 <21.0.9.10 || >=22.0.0 <22.2.0.10 || >=23.0.0 <23.0.12.5 || >=24.0.0 <24.0.10 || >=25.0.0 <25.0.5
  • Nextcloud/Nextcloud Enterprise Serverllm-fuzzy
    Range: >=21.0.0 <21.0.9.10 || >=22.0.0 <22.2.0.10 || >=23.0.0 <23.0.12.5 || >=24.0.0 <24.0.10 || >=25.0.0 <25.0.4
  • Nextcloud/security-advisoriescpe-rescue
    Range: Nextcloud Server >= 24.0.0, < 24.0.10

Patches

Vulnerability mechanics

References

3

News mentions

0

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