What’s Vulnerable › Vulnerabilities

CVE-2020-24717

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-27 · updated 2026-06-17
• Weakness: CWE-276

Description

OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777.

Affected products

• OpenZFS: through 0.8.4

References

• https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f
• https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1
• https://jira.ixsystems.com/browse/NAS-107270
• https://reviews.freebsd.org/D26107
• https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f
• https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1
• https://jira.ixsystems.com/browse/NAS-107270
• https://reviews.freebsd.org/D26107

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