CVE-2021-22565 MEDIUM

CVE-2021-22565: Insufficient Granularity of Access Control in GAEN Notification Server

Vendor Google Llc
Product Google Exposure-notifications-verification-server
Weakness CWE-284
Published December 9, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

What the vulnerability does

01Description

An attacker could prematurely expire a verification code, making it unusable by the patient, making the patient unable to upload their TEKs to generate exposure notifications. We recommend upgrading the Exposure Notification server to V1.1.2 or greater.

Key dates

02Disclosure timeline

December 9, 2021 CVE published
September 16, 2024 Record updated