Cleartext storage of sensitive information in Mozilla Thunderbird - CVE-2021-29956
Published: May 17, 2021 / Updated: June 7, 2021
Vulnerability identifier: #VU53308
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-29956
CWE-ID: CWE-312
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Thunderbird
Mozilla Thunderbird
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to OpenPGP secret keys that were imported using Thunderbird. were stored unencrypted on the user's local disk. The master password protection was inactive for those keys. A local user can gain access to sensitive information.
How to mitigate CVE-2021-29956
Install updates from vendor's website.