{"schemaVersion":3,"id":"CVE-2023-48308","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Nextcloud/Cloud is a calendar app for Nextcloud. An attacker can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment. It is recommended that the Nextcloud Calendar app is upgraded to 4.5.3","dates":{"published":"2023-12-21T23:12:45.538Z","modified":"2024-11-27T15:46:01.287Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":3.5,"severity":"low","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00547,"percentile":0.44755,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00547},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00547,"percentile":0.44755}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00547,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00547,"percentile":0.44755}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-1258","name":"Exposure of Sensitive System Information Due to Uncleared Debug Information","description":"The hardware does not fully clear security-sensitive values, such as keys and intermediate values in cryptographic operations, when debug mode is entered.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/1258.html"},{"id":"CWE-212","name":"Improper Removal of Sensitive Information Before Storage or Transfer","description":"The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/212.html"}],"affected":[{"vendor":"nextcloud","product":"calendar","name":"calendar","label":"calendar","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.0.0, < 4.5.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.0.0, < 4.5.3","eol":null,"hubHref":"/vendor/nextcloud/calendar"},{"vendor":"nextcloud","product":"security-advisories","name":"security-advisories","label":"security-advisories","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.0.0, < 4.5.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.0.0, < 4.5.3","eol":null,"hubHref":"/vendor/nextcloud/security-advisories"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-fv3c-qvjr-5rv8","label":"github.com/nextcloud/security-advisories/security/advisories/GHSA-fv3c-qvjr-5rv8","hostname":"github.com","tags":["X Refsource CONFIRM","Vendor Advisory"]},{"url":"https://github.com/nextcloud/calendar/pull/5553","label":"github.com/nextcloud/calendar/pull/5553","hostname":"github.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-12-21T23:12:45.538Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-11-27T15:46:01.287Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:31:48.292Z","stale":false,"partial":false}}