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

2021-11-0900:00:00

CWE-284

Google

www.cve.org

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

0.001 Low

EPSS

Percentile

35.9%

JSON

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.

CNA Affected

[
  {
    "product": "Google Exposure-notifications-verification-server",
    "vendor": "Google LLC",
    "versions": [
      {
        "lessThan": "1.1.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]