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CVE-2025-66549

Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it in log files. This vulnerability is fixed in 3.16.5.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3b17b311f98a4ecddce325089128f7d4cc29487fed85e7fec18cabe0d90e9c7e
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":"< 3.16.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.4,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-209","description":"CWE-209: Generation of Error Message Containing Sensitive Information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6","tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/references/2
{"name":"https://github.com/nextcloud/desktop/pull/8330","tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/desktop/pull/8330"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/references/1
{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/references/0
{"name":"https://hackerone.com/reports/3159877","tags":["x_refsource_MISC"],"url":"https://hackerone.com/reports/3159877"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f9af668d5c1115a3b38d3188860fd84216c6b47b32b902dcb358eacd8a9ba510 · sha256:d43af0ee16c7986a… · /containers/cna/references/3

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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