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 directly caused by or related to the Arm architecture."
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- eshard.com/posts/sca-attacks-on-armv8 (Exploit, Third Party Advisory)
- eprint.iacr.org/2022/230 (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.