CVE-2020-24716
CVE-2020-24716 is a high-severity vulnerability in Openzfs 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-863.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Openzfs
- Published:
- Last modified:
Description
OpenZFS before 2.0.0-rc1, when used on FreeBSD, allows execute permissions for all directories.
Frequently asked questions
- What is CVE-2020-24716?
- OpenZFS before 2.0.0-rc1, when used on FreeBSD, allows execute permissions for all directories.
- How severe is CVE-2020-24716?
- CVE-2020-24716 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-24716 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-24716?
- CVE-2020-24716 affects Openzfs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-24716?
- 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-2020-24716 published?
- CVE-2020-24716 was published on 2020-08-27 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*
More vulnerabilities in Openzfs
- CVE-2020-24717 — High (CVSS 7.8): OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by…
- CVE-2023-49298 — High (CVSS 7.5): OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on…
- CVE-2013-20001 — High (CVSS 7.5): An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs…
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