CVE-2021-22565Medium· 6.5▾ SunlitInsufficient Granularity of Access Control in github.com/google/exposure-notifications-verification-server
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 2.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
0.4% → 0.4%
Users or API keys with permission to expire verification codes could have expired codes that belonged to another realm if they guessed the UUID.
v1.1.2+
There are no workarounds, and there are no indications this has been exploited in the wild. Verification codes can only be expired by providing their 64-bit UUID, and verification codes are already valid for a very short period of time (thus the UUID rotates frequently).
Contact [email protected]
github.com/google/exposure-notifications-verification-server < 1.1.2Upgrade to a patched release:
github.com/google/exposure-notifications-verification-server 1.1.2Connected by shared product, vendor, weakness, or advisory.
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