Vulnerability in FreeBSD
CVE-2020-24717
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- jira.ixsystems.com/browse/NAS-107270 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f (Patch, Third Party Advisory)
- reviews.freebsd.org/D26107 (Patch, Third Party Advisory, Issue Tracking)
- github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-24717?
- CVE-2020-24717 is a high-severity vulnerability in FreeBSD, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-08-27.
- How severe is CVE-2020-24717?
- High severity. CVSS v3 base score is 7.8 out of 10.