Is CVE-2022-29912 in the CISA KEV catalog?

No. CVE-2022-29912 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-29912?

CVE-2022-29912 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2022-29912?

CVE-2022-29912 has an EPSS score of 0.64% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-29912?

Upgrade firefox on debian unstable to 100.0-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2022-29912

MEDIUM

6.1

CVSS v3

NVD

Description

Requests initiated through reader mode did not properly omit cookies with a SameSite attribute. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

CWE-601Open Redirect

How to fix

Remediation Available

firefoxDebian

Fixed in:100.0-1CVE-2022-29912

firefoxUbuntu

Fixed in:100.0+build2-0ubuntu0.18.04.1USN-5411-1

Fixed in:100.0+build2-0ubuntu0.20.04.1USN-5411-1

thunderbirdUbuntu

Fixed in:1:91.9.1+build1-0ubuntu0.18.04.1USN-5435-1

Fixed in:1:91.9.1+build1-0ubuntu0.20.04.1USN-5435-1

Fixed in:1:91.9.1+build1-0ubuntu0.22.04.1USN-5435-1

DeveloperEditionWindows application

Affected:100.0Fixed in:100.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:100.0Fixed in:100.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:91.9Fixed in:91.9Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:91.9Fixed in:91.9Mozilla

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

0.64%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Exploit1

bugzilla.mozilla.org

Vendor Advisory3

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

Embed a live status badge for CVE-2022-29912

Markdown

[![CVE-2022-29912](https://tridentstack.com/cve/badge/CVE-2022-29912.svg)](https://tridentstack.com/cve/CVE-2022-29912)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-29912"><img src="https://tridentstack.com/cve/badge/CVE-2022-29912.svg" alt="CVE-2022-29912"></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 2025-04-15.