← Vulnerability feed

Vulnerability record · CVE-2022-48251 · published 10 January 2023

CVE-2022-48251: Arm cortex-a53 firmware observable discrepancy vulnerability

Arm · Cortex A53 Firmware

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."

7.5 CVSS 3.1 High EPSS 0.83% · top 44.2% CWE-203 · Observable discrepancy
7.5CVSS 3.1 base score
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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."

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

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://eprint.iacr.org/2022/230 Technical DescriptionThird Party Advisory
https://eshard.com/posts/sca-attacks-on-armv8 ExploitThird Party Advisory
https://eprint.iacr.org/2022/230 Technical DescriptionThird Party Advisory
https://eshard.com/posts/sca-attacks-on-armv8 ExploitThird Party Advisory

Track CVE-2022-48251 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.6CVE-2022-23960Xen vulnerabilityCertain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage t…EPSS 0.50%5.5CVE-2020-13844Arm cortex-a32 firmware observable discrepancy vulnerabilityArm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of info…EPSS 0.49%5.1CVE-2024-10929Arm cortex-a57 firmware observable discrepancy vulnerabilityIn certain circumstances, an issue in Arm Cortex-A57, Cortex-A72 (revisions before r1p0), Cortex-A73 and Cortex-A75 may allow an adversary to gain a …EPSS 0.17%4.7CVE-2022-25368Amperecomputing ampere altra max firmware vulnerabilitySpectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branc…EPSS 0.30%5.3CVE-2024-39891Twilio Authy API phone number enumeration via observable discrepancyAn unauthenticated endpoint in the Twilio Authy API, reachable through Authy Android before 25.1.0 and Authy iOS before 26.1.0, accepted streams of p…KEVEPSS 1.7%analysed

Source: NIST National Vulnerability Database (record CVE-2022-48251), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.