CVE-2021-31680

Name: CVE-2021-31680
Creator: NVD / NIST
Published: 2023-07-31T14:15:10.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2021-31680 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Deserialization of Untrusted Data vulnerability in yolo 5 allows attackers to execute arbitrary code via crafted yaml file.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Deserialization of Untrusted Data vulnerability in yolo 5 allows attackers to execute arbitrary code via crafted yaml file.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.39%

30.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Ultralytics	Yolov5	All versions

References

https://huntr.dev/bounties/1-other-yolov5/Exploit, Third Party Advisory
https://huntr.dev/bounties/1-other-yolov5/Exploit, Third Party Advisory

Timeline

Published: Jul 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31680?

Deserialization of Untrusted Data vulnerability in yolo 5 allows attackers to execute arbitrary code via crafted yaml file.

How severe is CVE-2021-31680?

CVE-2021-31680 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31680?

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-2021-31680?

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

Scan your code now

Source: NVD / NIST