CVE-2020-6148: pixar openusd Heap-based Buffer Overflow
CVSS: 8.8v3.0HighModified
Published 13-11-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6148 is a high (CVSS 8.8) Heap-based Buffer Overflow vulnerability in pixar openusd. EPSS estimates a 1.35% chance of exploitation in the next 30 days, higher than 71% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.0 (CVE.org)EPSS score
1.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 13-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. An instance exists in USDC file format FIELDSETS section decompression heap overflow.
CVSS metrics
4 scores · 2 sources · 3 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.35%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.35% on 20-09-2026
20-09-202620-10-2026
EPSS score1.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Pixar1 product
- openusd20.05
1 vendor · 1 product
References
1 links- talosintelligence.com/vulnerability_reports/TALOS-2020-1094X Refsource MISCExploitThird Party Advisory