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CVE-2020-12394

3.3 · LOW

A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element.

Published May 26, 2020EPSS 0.27%

Overview

CVE-2020-12394 is a low-severity vulnerability. It was published on May 26, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A logic flaw in our location bar implementation could have allowed a local attacker to spoof the current location by selecting a different origin and removing focus from the input element. This vulnerability affects Firefox < 76.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refbugzilla.mozilla.org/show_bug.cgi?id=1628288Refsecurity.gentoo.org/glsa/202005-04Refwww.mozilla.org/security/advisories/mfsa2020-16/Refbugzilla.mozilla.org/show_bug.cgi?id=1628288Refsecurity.gentoo.org/glsa/202005-04Refwww.mozilla.org/security/advisories/mfsa2020-16/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-12394?

CVE-2020-12394 is a low-severity vulnerability. It was published on May 26, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2020-12394?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-12394?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-12394?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-12394 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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