How severe is CVE-2020-24491?

CVE-2020-24491 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-24491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24491?

CVE-2020-24491 primarily affects Intel Core I3. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-24491?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-24491 published?

CVE-2020-24491 was published on 2021-02-17 and last updated on 2026-06-17.

CVE-2020-24491

CVE-2020-24491 is a medium-severity vulnerability in Intel Core I3 with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 1.9
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Core I3
Published: 2021-02-17
Last modified: 2026-06-17

Description

Debug message containing addresses of memory transactions in some Intel(R) 10th Generation Core Processors supporting SGX may allow a privileged user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2020-24491?: Debug message containing addresses of memory transactions in some Intel(R) 10th Generation Core Processors supporting SGX may allow a privileged user to potentially enable information disclosure via local access.
How severe is CVE-2020-24491?: CVE-2020-24491 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-24491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24491?: CVE-2020-24491 primarily affects Intel Core I3. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-24491?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24491 published?: CVE-2020-24491 was published on 2021-02-17 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00455.html

Affected products (10)

cpe:2.3:h:intel:core_i3:1000g1:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i3:1000g4:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i3:1005g1:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i5:1030g4:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i5:1030g7:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i5:1035g1:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i5:1035g4:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i5:1035g7:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7:1060g7:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7:1065g7:*:*:*:*:*:*:*

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