{"id":"CVE-2023-21237","published":"2023-06-28T18:15:16Z","modified":"2026-06-17T05:32:08Z","title":"Android Pixel Information Disclosure Vulnerability","vendor":"Android","product":"Pixel","tier":"core","eol":null,"description":{"text":"In applyRemoteView of NotificationContentInflater.java, there is a possible way to hide foreground service notification due to misleading or insufficient UI. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251586912","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is in the applyRemoteView method of NotificationContentInflater.java in Android Pixel devices, where a foreground service notification can be hidden because of misleading or insufficient UI. An attacker with local access and low privileges, requiring no user interaction, can exploit this to disclose sensitive information.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:15:29Z"},"cvss":{"score":5.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.00266,"percentile":0.18535,"date":"2026-10-31","provenance":"source"},"kev":{"dateAdded":"2024-03-05","dueDate":"2024-03-26","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://source.android.com/docs/security/bulletin/pixel/2023-06-01;  https://nvd.nist.gov/vuln/detail/CVE-2023-21237","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-06-13","exploitedFirstSeen":"2023-06-13","ransomware":false,"evidence":[{"url":"https://source.android.com/docs/security/bulletin/pixel/2023-06-01","date":"2023-06-13"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-03-05"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":null,"cwes":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2023-06-01","tags":["Vendor Advisory"]},{"url":"https://source.android.com/security/bulletin/pixel/2023-06-01","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21237","tags":["Third Party Advisory","US Government Resource"]}],"techniques":[{"id":"T1211","name":"Exploitation for Stealth","tactics":["stealth"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: exploit hides notification via UI misleading","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"there is a possible way to hide foreground service notification","start":56,"end":119}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1005","name":"Data from Local System","tactics":["collection"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: local data disclosure from device","mappingType":"primary_impact","evidence":[{"from":"description","quote":"could lead to local information disclosure","start":163,"end":205}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-25405","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-25405","exploited":true,"exploitedSince":"2024-03-05","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1211"],"provenance":"ai"},{"stage":"primary","techniques":["T1005"],"provenance":"ai"}],"timeline":[{"date":"2023-06-13","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://source.android.com/docs/security/bulletin/pixel/2023-06-01","provenance":"source"},{"date":"2023-06-28","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21237","provenance":"source"},{"date":"2024-03-05","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-03-05","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-25405","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":251},"priority":{"score":42.6,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1237 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":3.71,"detail":"percentile 0.1853"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":3.85,"detail":"base score 5.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}