CVE-2021-22550
Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer
HIGH
7.8
CVSS Score
Published: June 8, 2021 at 01:15 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
1 product affected across 1 vendorAsylo
Using Asylo by Google LLC?
Get instant alerts when new vulnerabilities affect Asylo - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
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
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31cCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-823CWE-668
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card