Vulnerability

CVE-2022-47549

Medium· 6.4CVSS6.4EPSS0%

.rules3/5

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 ap

Threat signal

64/100

Elevated

Severity

medium

CVSS

6.4

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

6.4/ 10MEDIUMCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorPhysicalRequires physical access to the device.
Attack ComplexityHighRequires conditions outside attacker's control (race, brute-force, configuration
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.07%

probability of exploitation in next 30 days

p22

higher than 22% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2022-47549. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCDefer

No exploitation, limited impact or prevalence

exploitation: none
automatable: no
impact: partial
mission: support

Lifecycle

2022-12-19Published
2026-06-05Last modified1 source

References

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.