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CVE-2015-3400

18
FAUCET Score

CVE-2015-3400 describes a vulnerability in sharenfs 0.6.4, specifically when built with certain ZFS repository commits, that allows world-readable access to shared ZFS file systems. This flaw could enable remote authenticated users to access sensitive information from shared files. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network attack vector with low complexity, requiring low privileges, and resulting in a low impact on confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.6.4CPE matchmatch criteria
cpe:2.3:a:zfsonlinux:zfs:0.6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.65%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 87th percentile among its peer group of 21,939 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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 / FransUrbo/zfs/commit/99aa4d2b4fd12c6bef62d02ffd1b375ddd42fcf4
PatchThird Party Advisory
github.com / zfsonlinux/zfs/issues/3319
Third Party Advisory
github.com / zfsonlinux/zfs/pull/2790/commits
PatchThird Party Advisory
openwall.com / lists/oss-security/2015/04/22/4
Mailing ListVDB Entry
securityfocus.com / bid/74272
Third Party AdvisoryVDB Entry