What is CVE-2022-48251?

CVE-2022-48251 is a high-severity vulnerability in Arm Cortex-a53, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-01-10.

How severe is CVE-2022-48251?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Arm Cortex-a53

CVE-2022-48251

The AES instructions on the ARMv8 platform do not have an algorithm that is "intrinsically resistant" to side-channel attacks. NOTE: the vendor reportedly offers the position "while power side channel attacks ... are possible, they are not…

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Arm Cortex-a53
Arm Cortex-a53_firmware
Arm Cortex-a55
Arm Cortex-a55_firmware
Arm Cortex-a57
Arm Cortex-a57_firmware
Arm Cortex-a72
Arm Cortex-a72_firmware
Arm Cortex-a73
Arm Cortex-a73_firmware

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Technical Description, Third Party Advisory)

Frequently asked questions

What is CVE-2022-48251?: CVE-2022-48251 is a high-severity vulnerability in Arm Cortex-a53, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2023-01-10.
How severe is CVE-2022-48251?: High severity. CVSS v3 base score is 7.5 out of 10.