How severe is CVE-2020-6155?

CVE-2020-6155 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6155?

CVE-2020-6155 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6155?

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-2020-6155 published?

CVE-2020-6155 was published on 2020-11-13 and last updated on 2026-06-17.

CVE-2020-6155

CVE-2020-6155 is a high-severity vulnerability in Pixar Openusd with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Pixar Openusd
Published: 2020-11-13
Last modified: 2026-06-17

Description

A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD files. A specially crafted malformed file can trigger a heap overflow, which can result in remote code execution. To trigger this vulnerability, the victim needs to access an attacker-provided malformed file.

Frequently asked questions

What is CVE-2020-6155?: A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD files. A specially crafted malformed file can trigger a heap overflow, which can result in remote code execution. To trigger this vulnerability, the victim needs to access an attacker-provided malformed file.
How severe is CVE-2020-6155?: CVE-2020-6155 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6155?: CVE-2020-6155 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6155?: 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-2020-6155 published?: CVE-2020-6155 was published on 2020-11-13 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1101

Affected products (1)

cpe:2.3:a:pixar:openusd:20.05:*:*:*:*:*:*:*

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CVE-2020-13531 — High (CVSS 8.8): A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A…
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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…
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