Is CVE-2021-29960 in the CISA KEV catalog?

No. CVE-2021-29960 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-29960?

CVE-2021-29960 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-29960?

CVE-2021-29960 has an EPSS score of 0.83% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-29960?

Upgrade firefox on debian unstable to 89.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-29960

MEDIUM

4.3

CVSS v3

NVD

Description

Firefox used to cache the last filename used for printing a file. When generating a filename for printing, Firefox usually suggests the web page title. The caching and suggestion techniques combined may have lead to the title of a website visited during private browsing mode being stored on disk. This vulnerability affects Firefox < 89.

CWE-669

How to fix

Remediation Available

firefoxDebian

Fixed in:89.0-1CVE-2021-29960

firefoxUbuntu

Fixed in:89.0+build2-0ubuntu0.18.04.2USN-4978-1

Fixed in:89.0+build2-0ubuntu0.20.04.2USN-4978-1

DeveloperEditionWindows application

Affected:78.11.0 89.0Fixed in:89.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:78.11.0 89.0Fixed in:89.0Mozilla

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

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.83%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory1

security.gentoo.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 2024-11-21.