CVE-2020-13520

Name: CVE-2020-13520
Creator: NVD / NIST
Published: 2020-12-11T04:15:11.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.02%

Last modified Jun 17, 2026

CVE-2020-13520 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary USD files. A specially crafted malformed file can trigger an out of bounds memory modification which can result in remote code execution. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary USD files. A specially crafted malformed file can trigger an out of bounds memory modification which can result in remote code execution. To trigger this vulnerability, victim needs to access an attacker-provided malformed 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

2.02%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Pixar	Openusd	20.05
Apple	Macos	< 11.1

References

https://support.apple.com/kb/HT212011Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1120Exploit, Technical Description, Third Party Advisory
https://support.apple.com/kb/HT212011Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1120Exploit, Technical Description, Third Party Advisory

Timeline

Published: Dec 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13520?

How severe is CVE-2020-13520?

CVE-2020-13520 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13520?

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-2020-13520?

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

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Source: NVD / NIST