CVE-2015-2741 Security feature bypass in n/a

What is CVE-2015-2741?

CVE-2015-2741 is a medium-severity vulnerability in Mozilla Firefox, published on 6 Jul 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted man-in-the-middle attackers to bypass intended access restrictions by triggering a (1) expired certificate or (2) mismatched hostname for a domain with pinning enabled.

Weakness: CWE-310

Which versions are affected by CVE-2015-2741?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Firefox Esr, Oracle Solaris.

How do I fix CVE-2015-2741?

Upgrade to a fixed version.

Is CVE-2015-2741 being exploited?

There is no known exploitation of CVE-2015-2741 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7wmj-q9mp-9x7x, UBUNTU-CVE-2015-2741.