Is CVE-2023-29547 in the CISA KEV catalog?

No. CVE-2023-29547 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-29547?

CVE-2023-29547 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-29547?

CVE-2023-29547 has an EPSS score of 0.47% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-29547?

Upgrade firefox on debian unstable to 112.0-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2023-29547

MEDIUM

6.5

CVSS v3

NVD

Description

When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have been created, when it should have silently failed. This could have led to a desynchronization in expected results when reading from the secure cookie. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

How to fix

Remediation Available

firefoxDebian

Fixed in:112.0-1CVE-2023-29547

firefoxUbuntu

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

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

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

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

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.47%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Vendor Advisory1

mozilla.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 2025-01-10.