CVE-2020-28589

Name: CVE-2020-28589
Creator: NVD / NIST
Published: 2021-08-11T13:15:15.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.88%

Last modified Jun 17, 2026

CVE-2020-28589 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An improper array index validation vulnerability exists in the LoadObj functionality of tinyobjloader v2.0-rc1 and tinyobjloader development commit 79d4421. A specially crafted file could lead to code execution. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

An improper array index validation vulnerability exists in the LoadObj functionality of tinyobjloader v2.0-rc1 and tinyobjloader development commit 79d4421. A specially crafted file could lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.88%

76.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Tinyobjloader Project	Tinyobjloader	2.0	Rc1

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1212Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1212Exploit, Third Party Advisory

Timeline

Published: Aug 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28589?

How severe is CVE-2020-28589?

CVE-2020-28589 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28589?

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-2020-28589?

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

Scan your code now

Source: NVD / NIST