SARA / Free Tools / CVE / CVE-2023-49792

CVE-2023-49792 — Nextcloud Server provides data storage for Nextcloud, an open source cloud platf

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 c

CVSS
5.3 MEDIUM
EPSS
0.41% (top 39.10%)
CWE
CWE-307
Published
2023-12-22T16:31:17.833Z
Last modified
2024-08-27T15:47:21.783Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
nextcloudsecurityadvisories — >= 23.0.0, < 23.0.12.13, >= 24.0.0, < 24.0.12.9, >= 25.0.0, < 25.0.13.4, >= 26.0.0, < 26.0.9, >= 27.0.0, < 27.1.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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