CVE-2023-31339
CVE-2023-31339 is a medium-severity vulnerability in Amd Trusted Firmware-a with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-35650
- Weakness: CWE-125
- Affected product: Amd Trusted Firmware-a
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-31339?
- CVE-2023-31339 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability high.
- Is CVE-2023-31339 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31339?
- CVE-2023-31339 primarily affects Amd Trusted Firmware-a. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-31339?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-31339 have an EU (EUVD) identifier?
- Yes. CVE-2023-31339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35650.
- When was CVE-2023-31339 published?
- CVE-2023-31339 was published on 2024-08-13 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:amd:trusted_firmware-a:*:*:*:*:*:*:*:*
- cpe:2.3:o:trustedfirmware:trusted_firmware-a:*:*:*:*:*:*:*:*
Other CWE-125 (Out-of-bounds Read) vulnerabilities
- CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
- CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
- CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
- CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…