CVE-2023-52080

Name: CVE-2023-52080
Creator: NVD / NIST
Published: 2024-04-29T18:15:07.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2023-52080 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. IEIT NF5280M6 UEFI firmware through 8.4 has a pool overflow vulnerability, caused by improper use of the gRT->GetVariable() function. Attackers with access to local NVRAM variables can exploit this by modifying these variables on SPI Flash, resulting in memory data being tampered with. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

IEIT NF5280M6 UEFI firmware through 8.4 has a pool overflow vulnerability, caused by improper use of the gRT->GetVariable() function. Attackers with access to local NVRAM variables can exploit this by modifying these variables on SPI Flash, resulting in memory data being tampered with. When critical data in memory data is tampered with,a crash may occur.

Metrics

CVSS 3.1

7.7/10

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

EPSS Probability

0.20%

9.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

References

Timeline

Published: Apr 29, 2024
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2023-52080?

How severe is CVE-2023-52080?

CVE-2023-52080 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2023-52080?

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-2023-52080?

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

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Source: NVD / NIST