CVE-2018-3691

Name: CVE-2018-3691
Creator: NVD / NIST
Published: 2018-06-05T21:29:00.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.29%

Last modified Jun 17, 2026

CVE-2018-3691 is a vulnerability of currently unknown severity. Some implementations in Intel Integrated Performance Primitives Cryptography Library before version 2018 U3.1 do not properly ensure constant execution time.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability

0.29%

20.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Integrated Performance Primitives Cryptography	< 2018_u3.1

References

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

Timeline

Published: Jun 5, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3691?

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

How severe is CVE-2018-3691?

Severity scoring for CVE-2018-3691 is pending analysis. The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3691?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3691?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST