Is CVE-2020-24511 in the CISA KEV catalog?

No. CVE-2020-24511 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-24511?

CVE-2020-24511 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-24511?

CVE-2020-24511 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-24511?

Upgrade intel-microcode on debian 11 to 3.20210608.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-24511

MEDIUM

6.5

CVSS v3

NVD

Description

Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CWE-668

How to fix

Remediation Available

intel-microcodeDebian

Fixed in:3.20210608.1CVE-2020-24511

intel-microcodeUbuntu

Fixed in:3.20210608.0ubuntu0.14.04.1+esm1USN-4985-1

Fixed in:3.20210608.0ubuntu0.16.04.1+esm1USN-4985-1

Fixed in:3.20210608.0ubuntu0.18.04.1USN-4985-1

Fixed in:3.20210608.0ubuntu0.20.04.1USN-4985-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Vendor Advisory1

intel.com

Third-Party Advisory4

Related Vulnerabilities

Other CWE-668 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-39952	Critical	9.8	100%	-	Fix
CVE-2017-16597	Critical	9.8	57%	-	-
CVE-2017-16603	High	8.8	54%	-	-
CVE-2024-25153	Critical	9.8	42%	-	Fix
CVE-2017-0215	Medium	5.3	36%	-	-
CVE-2022-25236	Critical	9.8	34%	-	Fix

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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.