CVE-2020-13520

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-12-11 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Apple macOS: before 11.1 — fixed in 11.1
Pixar OpenUSD: 20.05

How to fix

Upgrade to a fixed version: Apple macOS 11.1. Check the vendor advisory for mitigations.

References

https://support.apple.com/kb/HT212011
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1120
https://support.apple.com/kb/HT212011
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1120

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