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CVE-2020-24716

25
FAUCET Score

CVE-2020-24716 describes a critical vulnerability in OpenZFS versions prior to 2.0.0-rc1 when deployed on FreeBSD, where all directories are assigned execute permissions. This flaw carries a high CVSS score of 7.8, indicating a significant risk of complete compromise of confidentiality, integrity, and availability, achievable with low privileges and local access. Despite its severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8.4CPE matchmatch criteria
cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 79th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f
PatchThird Party Advisory
github.com / openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1
Release NotesThird Party Advisory
jira.ixsystems.com / browse/NAS-107270
ExploitIssue TrackingPatchThird Party Advisory
reviews.freebsd.org / D26107
Issue TrackingPatchThird Party Advisory