What is CVE-2021-33147?

CVE-2021-33147 is a medium-severity vulnerability in Intel Integrated Performance Primitives Cryptography, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2022-02-09.

How severe is CVE-2021-33147?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Intel Integrated Performance Primitives Cryptography

CVE-2021-33147

Improper conditions check in the Intel(R) IPP Crypto library before version 2021.2 may allow an authenticated user to potentially enable information disclosure via local access.

Published 2022-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Intel Integrated Performance Primitives Cryptography
Intel(r) Ipp Crypto Library — versions before version 2021.2

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00600.html (Vendor Advisory)

Frequently asked questions

What is CVE-2021-33147?: CVE-2021-33147 is a medium-severity vulnerability in Intel Integrated Performance Primitives Cryptography, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2022-02-09.
How severe is CVE-2021-33147?: Medium severity. CVSS v3 base score is 5.5 out of 10.