What is CVE-2022-43507?

CVE-2022-43507 is a high-severity vulnerability in Intel Quickassist Technology Engine, classified under CWE-92. CVSS score: 7.5/10. Published 2023-05-10.

How severe is CVE-2022-43507?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-43507 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Intel Quickassist Technology Engine

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.

Published 2023-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.3th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Intel Quickassist Technology Engine
Intel(r) Qat Engine For OpenSSL — versions before version 0.6.16

Weakness classification (CWE)

Public proof-of-concept exploits

chnzzh/OpenSSL-CVE-lib

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00798.html (Vendor Advisory)

Frequently asked questions

What is CVE-2022-43507?: CVE-2022-43507 is a high-severity vulnerability in Intel Quickassist Technology Engine, classified under CWE-92. CVSS score: 7.5/10. Published 2023-05-10.
How severe is CVE-2022-43507?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-43507 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.