CVE-2021-4138 : Improved Host header checks to reject requests not sent to a well-known local ho

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

Published 2022-05-02 23:15:08

Updated 2022-05-11 00:34:41

Source Mozilla Corporation

View at NVD, CVE.org

Products affected by CVE-2021-4138

Mozilla » Geckodriver
Versions before (<) 0.30.0
cpe:2.3:a:mozilla:geckodriver:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

https://bugzilla.mozilla.org/show_bug.cgi?id=1652612

Access Denied
Issue Tracking;Permissions Required;Third Party Advisory
https://github.com/mozilla/geckodriver/releases/tag/v0.30.0

Release 0.30.0 · mozilla/geckodriver · GitHub
Release Notes;Third Party Advisory

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