Cyber Resilience

CVE-2022-47630

HighUpdated

Published: 16 January 2023

Published
16 January 2023
Modified
05 June 2026
KEV Added
—
Patch
16 January 2023
CVSS Score v3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0058 69.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-47630 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Trustedfirmware Trusted Firmware-A. Its CVSS base score is 7.4 (High).

Operationally, ranked in the top 30.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural…

more

state.

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

trustedfirmware
trusted firmware-a
1.2 — 2.8

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References