How severe is CVE-2020-13531?

CVE-2020-13531 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-13531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13531?

CVE-2020-13531 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13531?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13531 published?

CVE-2020-13531 was published on 2020-12-03 and last updated on 2026-06-17.

CVE-2020-13531

CVE-2020-13531 is a high-severity vulnerability in Pixar Openusd with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Pixar Openusd
Published: 2020-12-03
Last modified: 2026-06-17

Description

A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A specially crafted file can trigger the reuse of a freed memory which can result in further memory corruption and arbitrary code execution. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file.

Frequently asked questions

What is CVE-2020-13531?: A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A specially crafted file can trigger the reuse of a freed memory which can result in further memory corruption and arbitrary code execution. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file.
How severe is CVE-2020-13531?: CVE-2020-13531 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-13531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13531?: CVE-2020-13531 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13531?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13531 published?: CVE-2020-13531 was published on 2020-12-03 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1145

Affected products (1)

cpe:2.3:a:pixar:openusd:20.08:*:*:*:*:*:*:*

More vulnerabilities in Pixar Openusd

CVE-2020-13520 — High (CVSS 7.8): An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary…
CVE-2020-13493 — High (CVSS 7.8): A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD…
CVE-2020-6156 — High (CVSS 7.8): A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD…
CVE-2020-6155 — High (CVSS 7.8): A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD…
CVE-2020-6150 — High (CVSS 7.8): A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software USDC file format SPECS section…
CVE-2020-6149 — High (CVSS 7.8): A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD…

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Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

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