Is CVE-2020-12394 in the CISA KEV catalog?

No. CVE-2020-12394 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12394?

CVE-2020-12394 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2020-12394?

CVE-2020-12394 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12394?

Upgrade firefox on debian unstable to 76.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-12394

LOW

3.3

CVSS v3

NVD

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.

How to fix

Remediation Available

firefoxDebian

Fixed in:76.0-1CVE-2020-12394

firefoxUbuntu

Fixed in:76.0+build2-0ubuntu0.16.04.1USN-4353-1

Fixed in:76.0+build2-0ubuntu0.18.04.1USN-4353-1

Fixed in:76.0+build2-0ubuntu0.20.04.1USN-4353-1

DeveloperEditionWindows application

Affected:76.0Fixed in:76.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:76.0Fixed in:76.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory1

security.gentoo.org

Issue Tracking1

bugzilla.mozilla.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.