Is CVE-2023-29533 in the CISA KEV catalog?

No. CVE-2023-29533 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-29533?

CVE-2023-29533 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2023-29533?

CVE-2023-29533 has an EPSS score of 0.56% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-29533?

Upgrade firefox on debian unstable to 112.0-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2023-29533

MEDIUM

4.3

CVSS v3

NVD

Description

A website could have obscured the fullscreen notification by using a combination of window.open , fullscreen requests, window.name assignments, and setInterval calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

How to fix

Remediation Available

firefoxDebian

Fixed in:112.0-1CVE-2023-29533

firefoxUbuntu

Fixed in:112.0+build2-0ubuntu0.18.04.1USN-6010-1

Fixed in:112.0+build2-0ubuntu0.20.04.1USN-6010-1

thunderbirdUbuntu

Fixed in:1:102.10.0+build2-0ubuntu0.18.04.1USN-6015-1

Fixed in:1:102.10.0+build2-0ubuntu0.20.04.1USN-6015-1

Fixed in:1:102.10.0+build2-0ubuntu0.22.04.1USN-6015-1

Fixed in:1:102.10.0+build2-0ubuntu0.22.10.1USN-6015-1

DeveloperEditionWindows application

Affected:112.0Fixed in:112.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:112.0Fixed in:112.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:102.10Fixed in:102.10Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:102.10Fixed in:102.10Mozilla

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

0.56%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Vendor Advisory5

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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.