What is CVE-2021-22550?

CVE-2021-22550 is a medium-severity vulnerability in Google Asylo, classified under CWE-823. CVSS score: 6.5/10. Published 2021-06-08.

How severe is CVE-2021-22550?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Google Asylo

CVE-2021-22550

An attacker can modify the pointers in enclave memory to overwrite arbitrary memory addresses within the secure enclave. It is recommended to update past 0.6.3 or git commit https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c

Published 2021-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Asylo
Google Llc Asylo — versions unspecified

Weakness classification (CWE)

References

github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-22550?: CVE-2021-22550 is a medium-severity vulnerability in Google Asylo, classified under CWE-823. CVSS score: 6.5/10. Published 2021-06-08.
How severe is CVE-2021-22550?: Medium severity. CVSS v3 base score is 6.5 out of 10.