CVE-2022-48251

Name: CVE-2022-48251
Creator: NVD / NIST
Published: 2023-01-10T07:15:09.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2022-48251 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 ... EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

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 directly caused by or related to the Arm architecture."

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.83%

52.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Arm	Cortex-A53 Firmware	All versions
Arm	Cortex-A55 Firmware	All versions
Arm	Cortex-A57 Firmware	All versions
Arm	Cortex-A72 Firmware	All versions
Arm	Cortex-A73 Firmware	All versions
Arm	Cortex-A75 Firmware	All versions
Arm	Cortex-A76 Firmware	All versions
Arm	Cortex-A76ae Firmware	All versions
Arm	Cortex-A77 Firmware	All versions
Arm	Cortex-A78 Firmware	All versions

References

https://eprint.iacr.org/2022/230Technical Description, Third Party Advisory
https://eshard.com/posts/sca-attacks-on-armv8Exploit, Third Party Advisory
https://eprint.iacr.org/2022/230Technical Description, Third Party Advisory
https://eshard.com/posts/sca-attacks-on-armv8Exploit, Third Party Advisory

Timeline

Published: Jan 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-48251?

How severe is CVE-2022-48251?

CVE-2022-48251 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2022-48251?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-48251?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST