Out-of-bounds Read in AMD Trusted Firmware-A

CVE-2023-31339

Improper input validation in ARM® Trusted Firmware used in AMD’s Zynq™ UltraScale+™) MPSoC/RFSoC may allow a privileged attacker to perform out of bound reads, potentially resulting in data leakage and denial of service.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-31339: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-31339?
CVE-2023-31339 is a medium-severity vulnerability in AMD Trusted Firmware-A, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2024-08-13.
How severe is CVE-2023-31339?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2023-31339 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.