CVE-2023-39961

Summary

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 24.0.4 and prior to versions 25.0.9, 26.0.4, and 27.0.1, when a folder with images or an image was shared without download permissions, the user could add the image inline into a text file and download it. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 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.

Affected Software

VendorProductVersion RangeStatus
nextcloudsecurity-advisories>= 24.0.4, < 24.0.12.5affected
nextcloudsecurity-advisories>= 25.0.0, < 25.0.9affected
nextcloudsecurity-advisories>= 27.0.0, < 27.0.1affected
nextcloudsecurity-advisories>= 26.0.0, < 26.0.4affected

Weaknesses

  • CWE-284: CWE-284: Improper Access Control

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References