How severe is CVE-2022-43507?

CVE-2022-43507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-43507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43507?

CVE-2022-43507 affects Intel Quickassist Technology Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43507?

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-2022-43507 published?

CVE-2022-43507 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2022-43507

CVE-2022-43507 is a high-severity vulnerability in Intel Quickassist Technology Engine with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Intel Quickassist Technology Engine
Published: 2023-05-10
Last modified: 2026-06-17

Description

Improper buffer restrictions in the Intel(R) QAT Engine for OpenSSL before version 0.6.16 may allow a privileged user to potentially enable escalation of privilege via network access.

Frequently asked questions

What is CVE-2022-43507?: Improper buffer restrictions in the Intel(R) QAT Engine for OpenSSL before version 0.6.16 may allow a privileged user to potentially enable escalation of privilege via network access.
How severe is CVE-2022-43507?: CVE-2022-43507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-43507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43507?: CVE-2022-43507 affects Intel Quickassist Technology Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43507?: 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-2022-43507 published?: CVE-2022-43507 was published on 2023-05-10 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00798.html

Affected products (1)

cpe:2.3:a:intel:quickassist_technology_engine:*:*:*:*:*:*:*:*

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