Unscored severity · published Jul 6, 2015
CVE-2015-2741
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…
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CVSS
1.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
through 38.1.0; 31.0; 31.1.0; 31.1.1; 31.3.0; 31.5.1; +3 more · source: NVD
FE
Firefox Esr · Mozilla
31.1; 31.2; 31.3; 31.4; 31.5; 31.6.0; +1 more · source: NVD
SO
Solaris · Oracle
11.3 · source: NVD