{"dataType":"CVE_RECORD","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2025-48219","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","dateUpdated":"2025-05-19T20:06:21.326Z","dateReserved":"2025-05-18T00:00:00.000Z","datePublished":"2025-05-18T00:00:00.000Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unknown","product":"O2","vendor":"O2 UK","versions":[{"lessThanOrEqual":"2025-05-17","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"O2 UK before 2025-05-19 allows subscribers to determine the Cell ID of other subscribers by initiating an IMS (IP Multimedia Subsystem) call and then reading the utran-cell-id-3gpp field of a Cellular-Network-Info SIP header, aka an ECI (E-UTRAN Cell Identity) leak. The Cell ID might be usable to identify a cell location via crowdsourced data, and might correspond to a small physical area (e.g., if the called party is in a city centre). Removal of the Cellular-Network-Info header is mentioned in section 4.4.19 of ETSI TS 124 229."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-201","description":"CWE-201 Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2025-05-19T13:01:28.991Z"},"references":[{"url":"https://mastdatabase.co.uk/blog/2025/05/o2-expose-customer-location-call-4g/"},{"url":"https://news.ycombinator.com/item?id=44014046"},{"url":"https://www.etsi.org/deliver/etsi_ts/124200_124299/124229/15.10.00_60/ts_124229v151000p.pdf"},{"url":"https://www.ispreview.co.uk/index.php/2025/05/o2-uk-fixes-volte-flaw-that-exposed-user-mobile-location-data.html"}],"tags":["exclusively-hosted-service"],"x_generator":{"engine":"enrichogram 0.0.1"},"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-19T20:06:04.095969Z","id":"CVE-2025-48219","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-19T20:06:21.326Z"}}]},"dataVersion":"5.1"}