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CVE-2016-5503

25
FAUCET Score

CVE-2016-5503 is an unspecified vulnerability within the Core Services component of Oracle Sun ZFS Storage Appliance Kit (AK) 2013. This high-severity vulnerability (CVSS 8.2) allows a local, highly privileged attacker to compromise the confidentiality, integrity, and availability of the affected system. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed on CISA's KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
ak_2013CPE matchmatch criteria
cpe:2.3:a:oracle:sun_zfs_storage_appliance_kit:ak_2013:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.2HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 65th percentile among its peer group of 358 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)

oraclepatch availablevia nvd_reference
View patch

References

oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html
PatchVendor Advisory
securityfocus.com / bid/93689