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Medium severity5.3NVD Advisory· Published Dec 22, 2023· Updated Jun 17, 2026

CVE-2023-49792

CVE-2023-49792

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when a (reverse) proxy is configured as trusted proxy the server could be tricked into reading a wrong remote address for an attacker, allowing them executing authentication attempts than intended. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.

Affected products

5
  • Nextcloud/Server3 versions
    cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*+ 2 more
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*range: >=26.0.0,<26.0.9
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*range: >=23.0.0,<23.0.12.13
    • (no CPE)range: before 26.0.9, 27.1.4, 23.0.12.13, 24.0.12.9, 25.0.13.4
  • Nextcloud/Nextcloud Enterprise Serverllm-fuzzy
    Range: before 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, 27.1.4
  • Nextcloud/security-advisoriescpe-rescue
    Range: >= 23.0.0, < 23.0.12.13

Patches

Vulnerability mechanics

References

3

News mentions

0

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