CVE-2021-22565

Insufficient Granularity of Access Control in GAEN Notification Server

State: Published
Severity: 6.5 Medium
Published: Dec 9, 2021
Updated: Sep 16, 2024
Reserved: Jan 5, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L	Google

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
Google Exposure-notifications-verification-serverGoogle LLC	before 1.1.2Affected

References

https://github.com/google/exposure-notifications-verification-server/security/advisories/GHSA-wx8q-rgfr-cf6v
https://github.com/google/exposure-notifications-verification-server/releases/tag/v1.1.2

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.