Is CVE-2023-6867 in the CISA KEV catalog?

No. CVE-2023-6867 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6867?

CVE-2023-6867 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2023-6867?

CVE-2023-6867 has an EPSS score of 0.68% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-6867?

Upgrade firefox on debian unstable to 121.0-1 or later. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2023-6867

MEDIUM

6.1

CVSS v3

NVD

Description

The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

CWE-1021

How to fix

Remediation Available

firefoxDebian

Fixed in:121.0-1CVE-2023-6867

firefoxRed Hat / RHEL

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9.ppc64RHSA-2024:0026

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

firefoxRocky

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9.ppc64RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

firefox-debuginfoRed Hat / RHEL

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9.ppc64RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

firefox-debuginfoRocky

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9.ppc64RHSA-2024:0026

Fixed in:0:115.6.0-1.el7_9RHSA-2024:0026

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

firefox-debugsourceRed Hat / RHEL

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

firefox-debugsourceRocky

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_9RHSA-2024:0012

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_8RHSA-2024:0011

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el8_2RHSA-2024:0023

Fixed in:0:115.6.0-1.el8_4RHSA-2024:0021

Fixed in:0:115.6.0-1.el8_6RHSA-2024:0024

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_0RHSA-2024:0022

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

firefox-x11Rocky

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

firefox-x11Red Hat / RHEL

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

Fixed in:0:115.6.0-1.el9_3RHSA-2024:0025

Fixed in:0:115.6.0-1.el9_2RHSA-2024:0019

firefoxUbuntu

Fixed in:121.0+build1-0ubuntu0.20.04.1USN-6562-1

DeveloperEditionWindows application

Affected:121.0Fixed in:121.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:121.0Fixed in:121.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:115.6Fixed in:115.6Mozilla

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.68%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory3

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-1021 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-21132	Critical	9.6	23%	-	Fix
CVE-2011-1244	Medium	5.8	15%	-	-
CVE-2013-2682	Medium	4.3	6.3%	-	-
CVE-2021-21139	Medium	6.5	4.7%	-	Fix
CVE-2017-11290	Medium	6.1	3.0%	-	-
CVE-2008-2716	Medium	5.0	3.0%	-	Fix

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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.