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Vulnerability record · CVE-2018-3691 · published 5 June 2018

CVE-2018-3691: Intel integrated performance primitives cryptography vulnerability

Intel · Integrated Performance Primitives Cryptography

Some implementations in Intel Integrated Performance Primitives Cryptography Library before version 2018 U3.1 do not properly ensure constant execution time.

4.7 CVSS 3.0 Medium EPSS 0.29% · top 80.8%
4.7CVSS 3.0 base score, v2 1.9
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Some implementations in Intel Integrated Performance Primitives Cryptography Library before version 2018 U3.1 do not properly ensure constant execution time.

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00106.html Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00106.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-3691), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.