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Fencer Vulns
medium 6.6

CVE-2021-33097 json

Time-of-check time-of-use vulnerability in the Crypto API Toolkit for Intel(R) SGX may allow a privileged user to potentially enable escala…

published 2021-11-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19812

cvss
6.6
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

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.

Patch / fix

  • intel crypto_api_toolkit_for_intel_sgx 2021-08-02

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.6 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

  • n/a Intel(R) SGX

Classification

Weakness
  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.