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Vulnerabilities

1 CVEs · NVD, GitHub Advisories, CISA KEV, FIRST EPSS, GitHub PoC repos

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SortpublishedepsscvssKEV dateupdatedvendor: exposure notifications project ✕
CVEVulnerabilityCVSSEPSSFlagsAffectedExposurePublished
CVE-2020-24722
An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-10-05, as used in COVID-19 applications on Android and iOS.

An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-10-05, as used in COVID-19 applications on Android and iOS. The encrypted metadata block with a TX value lacks a checksum, allowing bitflipping to amplify a contamination attack. This can cause metadata deanonymization and risk-score inflation. NOTE: the vendor's position is "We do not believe that TX power authentication would be a useful defense against relay attacks.

NVD description · AI analysis pending		5.92% PoC ×2
  • exposure notifications project exposure notifications
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