Vulnerabilities > CVE-2021-29958 - Missing Authorization vulnerability in Mozilla Firefox

CVSS 4.3 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

LOW

Integrity impact

NONE

Availability impact

NONE

network

low complexity

mozilla

CWE-862

NVD

Published: 2021-06-24

Updated: 2024-11-21

Summary

When a download was initiated, the client did not check whether it was in normal or private browsing mode, which led to private mode cookies being shared in normal browsing mode. This vulnerability affects Firefox for iOS < 34.

Vulnerable Configurations

Part	Description	Count
Application	Mozilla Mozilla Firefox - Mozilla Firefox 14.0 Mozilla Firefox 15.0 Mozilla Firefox 15.1 Mozilla Firefox 16.0 Mozilla Firefox 16.1 Mozilla Firefox 16.2 Mozilla Firefox 17.0 Mozilla Firefox 17.1 Mozilla Firefox 17.2 Mozilla Firefox 17.3 Mozilla Firefox 18.0 Mozilla Firefox 18.1 Mozilla Firefox 18.2 Mozilla Firefox 19.0 Mozilla Firefox 19.1 Mozilla Firefox 20.0 Mozilla Firefox 20.1 Mozilla Firefox 20.2 Mozilla Firefox 21.0 Mozilla Firefox 22.0 Mozilla Firefox 23.0 Mozilla Firefox 24.0 Mozilla Firefox 24.1 Mozilla Firefox 25.0 Mozilla Firefox 25.1 Mozilla Firefox 26.0 Mozilla Firefox 27.0 Mozilla Firefox 28.0	29

Common Weakness Enumeration (CWE)

CWE-862 - Missing Authorization

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References