TI-2021-12684 Aliases CVE-2021-33097 GHSA-8x36-3q6c-ccmf

Time-of-check time-of-use race condition in Intel SGX

LOW 30CWE-367Published 2021-11-17 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Time-of-check time-of-use vulnerability in the Crypto API Toolkit for Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via network access.

Why it matters now

EPSS 0.00567 47th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Intel(R) SGX	See references	—	No fix listed	CNA

Intel(R) SGX Vendor— Affected See references Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:intel:crypto_api_toolkit_for_intel_sgx::::::::	before 2021-08-02	Vulnerable	Intel

cpe:2.3:a:intel:crypto_api_toolkit_for_intel_sgx:*:*:*:*:*:*:*:* Versions before 2021-08-02 Vulnerable ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-33097
2026-10-03 Alias added: GHSA-8x36-3q6c-ccmf

References

Advisory 1

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00565.html

TI-2022-05564 Improper access control in the Crypto API Toolkit for Intel(R) SGX before version 2.0… CVSS 3.1HIGH 8.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences