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CVE-2019-9579

23
FAUCET Score

CVE-2019-9579 describes a high-severity vulnerability in the SMB server of Illumos-based systems, including Nexenta NexentaStor 4.0.5 and 5.1.2, that allows authenticated attackers to alter file permissions. This flaw, stemming from how ZFS extended attributes interact with SMB named streams, has a CVSS score of 8.1, indicating a high impact on confidentiality and integrity. While the vulnerability is critical, there is currently no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:illumos:illumos:-:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 29th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

oraclepatch availablevia nvd_reference
View patch

References

illumos.org / issues/10506
MitigationPatchVendor Advisory
oracle.com / security-alerts/cpuapr2020.html
PatchThird Party Advisory