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CVE-2025-66510

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users (emails, names, identifiers) without proper access control. This allows an authenticated user to retrieve information about accounts that are not related or added as contacts.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ca443940a928ce39a1584a994eaee6aafc52b78fdc4340bf3eae363d881d6940
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"security-advisories","vendor":"nextcloud","versions":[{"status":"affected","version":">= 32.0.0beta1, < 32.0.1"},{"status":"affected","version":"< 31.0.10"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fc57aa0a7ebfb0406e3392fa81d258b9b5b68df978130aa945718707dd243b62 · sha256:39ddcceb93c5637a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fc57aa0a7ebfb0406e3392fa81d258b9b5b68df978130aa945718707dd243b62 · sha256:39ddcceb93c5637a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-359","description":"CWE-359: Exposure of Private Personal Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fc57aa0a7ebfb0406e3392fa81d258b9b5b68df978130aa945718707dd243b62 · sha256:39ddcceb93c5637a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-495w-cqv6-wr59"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fc57aa0a7ebfb0406e3392fa81d258b9b5b68df978130aa945718707dd243b62 · sha256:39ddcceb93c5637a… · /containers/cna/references/0
{"name":"https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57","tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/server/commit/e4866860cbf24a746eb8a125587262a4c8831c57"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fc57aa0a7ebfb0406e3392fa81d258b9b5b68df978130aa945718707dd243b62 · sha256:39ddcceb93c5637a… · /containers/cna/references/2
{"name":"https://github.com/nextcloud/server/pull/55657","tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/server/pull/55657"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fc57aa0a7ebfb0406e3392fa81d258b9b5b68df978130aa945718707dd243b62 · sha256:39ddcceb93c5637a… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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