CVE-2020-6156
CVE-2020-6156 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: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Pixar Openusd
- Published:
- Last modified:
Description
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.
Frequently asked questions
- What is CVE-2020-6156?
- A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index.
- How severe is CVE-2020-6156?
- CVE-2020-6156 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-2020-6156 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-6156?
- CVE-2020-6156 affects Pixar Openusd. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-6156?
- 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-2020-6156 published?
- CVE-2020-6156 was published on 2020-11-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pixar:openusd:20.05:*:*:*:*:*:*:*
More vulnerabilities in Pixar Openusd
- 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…
- 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-2020-6155 — 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…
All CVEs affecting Pixar Openusd →
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