#VU109879 Cleartext transmission of sensitive information in Mozilla Firefox and Firefox for Android - CVE-2025-5270
Published: May 27, 2025
Vulnerability identifier: #VU109879
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-5270
CWE-ID: CWE-319
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox for Android
Mozilla Firefox
Firefox for Android
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to software does not always encrypt SNI even when encrypted DNS was enabled. A remote attacker with ability to intercept network traffic can gain access to sensitive data.
Remediation
Install updates from vendor's website.