Skip to main content
No exploitation reportedFix available

CVE-2020-24511

No exploitation reported by the sources we read.

  • Published2021-06-09
  • WeaknessCWE-668

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2021-06-0919:15CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published
Intel microcode
BranchAffectedFixed in
20210608.x< 2021060820210608
Netapp fas\/aff bios
BranchAffectedFixed in
—all versionsno fix published

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As intel, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Intel(R) Processors
    Affected
    • = See referencesno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-08-10

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • intel-microcodeUbuntu:Pro:16.04:LTSall versions · fixed in 3.20210608.0ubuntu0.16.04.1+esm1
  • intel-microcodeUbuntu:Pro:14.04:LTSall versions · fixed in 3.20210608.0ubuntu0.14.04.1+esm1
  • intel-microcodeUbuntu:20.04:LTSall versions · fixed in 3.20210608.0ubuntu0.20.04.1
  • intel-microcodeUbuntu:18.04:LTSall versions · fixed in 3.20210608.0ubuntu0.18.04.1
  • intel-microcodeTuxCare:Ubuntu:16.04all versions · fixed in 3.20210608.0ubuntu0.16.04.1+cloudlinux.els1
  • intel-microcodeDebian:14all versions · fixed in 3.20210608.1
  • intel-microcodeDebian:13all versions · fixed in 3.20210608.1
  • intel-microcodeDebian:12all versions · fixed in 3.20210608.1

90 more package ranges on OSV.dev

Vendor advisories

  • RHSA-2021:3364 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

  • RHSA-2021:3317 Red Hat Product Security9 products fixed

    Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

  • RHSA-2021:3322 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

  • RHSA-2021:3323 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

  • RHSA-2021:3255 Red Hat Product Security9 products fixed

    Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

  • RHSA-2021:3176 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update

4 more advisories

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2021:3364 · 2 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  2. Vendor fix CISA ICSA-21-222-05 · 1 productUpdate BIOS to V26.01.08 or later version
  3. Vendor fix CISA ICSA-21-222-05 · 2 productsUpdate BIOS to V01.04.00 or later version
  4. Vendor fix CISA ICSA-21-222-05 · 4 productsUpdate BIOS to V25.02.10 or later version
  5. Vendor fix CISA ICSA-21-222-05 · 2 productsUpdate BIOS to V08.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.
  6. Vendor fix CISA ICSA-21-222-05 · 1 productUpdate BIOS to V05.00.00.00 or later version SINUMERIK software can be obtained from your local Siemens account manager.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
2021-06-09
Last Modified
2026-10-08
NVD status
Modified
GitHub Advisory
GHSA-47r2-gqx8-p99j

Frequently asked questions

What is CVE-2020-24511?

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

Is CVE-2020-24511 actively exploited?

Active exploitation of CVE-2020-24511 has not been confirmed. Its EPSS score was 0.4% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

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

CVE-2020-24511 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Running microcode_ctl security,? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record