CVE-2020-13524

Name: CVE-2020-13524
Creator: NVD / NIST
Published: 2020-12-03T18:15:10.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2020-13524 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An out-of-bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 uses SPECS data from binary USD files. A specially crafted malformed file can trigger an out-of-bounds memory access and modification which results in memory corruption. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

An out-of-bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 uses SPECS data from binary USD files. A specially crafted malformed file can trigger an out-of-bounds memory access and modification which results in memory corruption. To trigger this vulnerability, the victim needs to access an attacker-provided malformed file.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Pixar	Openusd	20.05	—
Apple	Mac Os X	>= 10.14.0, < 10.14.6	—
Apple	Mac Os X	>= 10.15, < 10.15.7	—
Apple	Mac Os X	10.14.6	Security Update 2019-001
Apple	Mac Os X	10.15.7	Security Update 2020-001
Apple	Macos	>= 11.0, < 11.1	—

References

http://seclists.org/fulldisclosure/2020/Dec/26Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
https://support.apple.com/kb/HT212011Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1125Exploit, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/26Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/32Mailing List, Third Party Advisory
https://support.apple.com/kb/HT212011Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1125Exploit, Third Party Advisory

Timeline

Published: Dec 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13524?

How severe is CVE-2020-13524?

CVE-2020-13524 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13524?

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-2020-13524?

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

Scan your code now

Source: NVD / NIST