Is CVE-2020-15674 in the CISA KEV catalog?

No. CVE-2020-15674 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-15674?

CVE-2020-15674 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-15674?

CVE-2020-15674 has an EPSS score of 0.81% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-15674?

Upgrade firefox on debian unstable to 81.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-15674

HIGH

8.8

CVSS v3

NVD

Description

Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 81.

CWE-667 CWE-787Out-of-bounds Write

How to fix

Remediation Available

firefoxDebian

Fixed in:81.0-1CVE-2020-15674

firefoxUbuntu

Fixed in:81.0+build2-0ubuntu0.16.04.1USN-4546-1

Fixed in:81.0+build2-0ubuntu0.18.04.1USN-4546-1

Fixed in:81.0+build2-0ubuntu0.20.04.1USN-4546-1

DeveloperEditionWindows application

Affected:81.0Fixed in:81.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:81.0Fixed in:81.0Mozilla

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.81%probability of exploitation in 30 days

52ndpercentile

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

References

Vendor Advisory2

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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.