vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-47549

MEDIUM
6.4
CVSS Score
Published: December 19, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:13 AM UTC
1 product affected across 1 vendorOp Tee

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verification and install malicious trusted applications via electromagnetic fault injections.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Op Tee· Trustedfirmware
95%
v < 3.20
Affected range stops below 3.20, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: [email protected]
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g
ExploitTechnical DescriptionVendor Advisory
Source: [email protected]
https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.4MEDIUMCISA-ADP
Attack Vector
PHYSICAL
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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.

Create accountSign in
Free plan, no card