CVE-2021-22550

Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer

Description

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

Categories

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Third-Party Advisory github.com
Affected: Google LLC Asylo
Published at:
Updated at:

References

Link Tags
https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-22550?
CVE-2021-22550 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22550?
To fix CVE-2021-22550, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22550 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22550 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22550?
CVE-2021-22550 affects Google LLC Asylo.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.