How severe is CVE-2020-24453?

CVE-2020-24453 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24453?

CVE-2020-24453 affects Intel Epid Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-24453 published?

CVE-2020-24453 was published on 2021-02-17 and last updated on 2026-06-17.

CVE-2020-24453

CVE-2020-24453 is a high-severity vulnerability in Intel Epid Software Development Kit with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Epid Software Development Kit
Published: 2021-02-17
Last modified: 2026-06-17

Description

Improper input validation in the Intel(R) EPID SDK before version 8, may allow an authenticated user to potentially enable an escalation of privilege via local access.

Frequently asked questions

What is CVE-2020-24453?: Improper input validation in the Intel(R) EPID SDK before version 8, may allow an authenticated user to potentially enable an escalation of privilege via local access.
How severe is CVE-2020-24453?: CVE-2020-24453 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24453?: CVE-2020-24453 affects Intel Epid Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-24453 published?: CVE-2020-24453 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-00445.html

Affected products (1)

cpe:2.3:a:intel:epid_software_development_kit:*:*:*:*:*:*:*:*

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