Is CVE-2023-5721 in the CISA KEV catalog?

No. CVE-2023-5721 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-5721?

CVE-2023-5721 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2023-5721?

CVE-2023-5721 has an EPSS score of 0.78% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5721?

Upgrade firefox on debian unstable to 119.0-1 or later. Fixes are available for 21 affected products.

CVE & CISA-KEV Catalog

CVE-2023-5721

MEDIUM

4.3

CVSS v3

NVD

Description

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

CWE-1021

How to fix

Remediation Available

firefoxDebian

Fixed in:119.0-1CVE-2023-5721

firefoxRocky

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9.ppc64RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

firefoxRed Hat / RHEL

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9.ppc64RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

firefox-debuginfoRocky

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9.ppc64RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

firefox-debuginfoRed Hat / RHEL

Fixed in:0:115.4.0-1.el7_9.ppc64RHSA-2023:6162

Fixed in:0:115.4.0-1.el7_9RHSA-2023:6162

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

firefox-debugsourceRed Hat / RHEL

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

firefox-debugsourceRocky

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el8_8RHSA-2023:6187

Fixed in:0:115.4.0-1.el8_2RHSA-2023:6185

Fixed in:0:115.4.0-1.el8_1RHSA-2023:6189

Fixed in:0:115.4.0-1.el8_6RHSA-2023:6186

Fixed in:0:115.4.0-1.el9_0RHSA-2023:6199

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

firefox-x11Rocky

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

firefox-x11Red Hat / RHEL

Fixed in:0:115.4.0-1.el9_2RHSA-2023:6188

thunderbirdRocky

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el9_2RHSA-2023:6191

thunderbirdRed Hat / RHEL

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el9_2RHSA-2023:6191

thunderbird-debuginfoRed Hat / RHEL

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el9_2RHSA-2023:6191

thunderbird-debuginfoRocky

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el9_2RHSA-2023:6191

thunderbird-debugsourceRed Hat / RHEL

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el9_2RHSA-2023:6191

thunderbird-debugsourceRocky

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_1RHSA-2023:6198

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_4RHSA-2023:6196

Fixed in:0:115.4.1-1.el8_6RHSA-2023:6195

Fixed in:0:115.4.1-1.el8_2RHSA-2023:6197

Fixed in:0:115.4.1-1.el8_8RHSA-2023:6194

Fixed in:0:115.4.1-1.el9_2RHSA-2023:6191

firefoxUbuntu

Fixed in:119.0+build2-0ubuntu0.20.04.1USN-6456-1

thunderbirdUbuntu

Fixed in:1:115.4.1+build1-0ubuntu0.20.04.1USN-6468-1

Fixed in:1:115.4.1+build1-0ubuntu0.22.04.1USN-6468-1

Fixed in:1:115.4.1+build1-0ubuntu0.23.04.1USN-6468-1

Fixed in:1:115.4.1+build1-0ubuntu0.23.10.1USN-6468-1

DeveloperEditionWindows application

Affected:119.0Fixed in:119.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:119.0Fixed in:119.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:115.4Fixed in:115.4Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:115.4.1Fixed in:115.4.1Mozilla

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

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.78%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory4

Third-Party Advisory4

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

Embed a live status badge for CVE-2023-5721

Markdown

[![CVE-2023-5721](https://tridentstack.com/cve/badge/CVE-2023-5721.svg)](https://tridentstack.com/cve/CVE-2023-5721)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-5721"><img src="https://tridentstack.com/cve/badge/CVE-2023-5721.svg" alt="CVE-2023-5721"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.