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CVE-2021-4138

—
CVSS 3.1
5.3 medium
EPSS
<1%p56
Published
()
Modified
Description

Improved Host header checks to reject requests not sent to a well-known local hostname or IP, or the server-specified hostname.

Vendors
mozilla
Products
geckodriver
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.8%)

In the news

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