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CVE-2017-3623

53
FAUCET Score

CVE-2017-3623, also known as "Ebbisland," is a critical vulnerability in the Kernel RPC subcomponent of Oracle Solaris, specifically affecting Solaris 10 systems that have not applied specific patches or updates since January 2012. This easily exploitable vulnerability allows an unauthenticated attacker with network access to achieve complete system takeover, impacting confidentiality, integrity, and availability. With a CVSS 3.0 score of 10.0, it presents a severe risk. While not in CISA's KEV catalog, an exploit (EDB-47888) is publicly available, and it has garnered significant community discussion, indicating potential for active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
21.96%
Probability of exploitation in next 30 days
EPSS Percentile
97.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-47888 · Jan 8, 2020
This CVE's current EPSS score of 0.2197 is in the 94th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

packetstormsecurity.com / files/155876/EBBISLAND-EBBSHAVE-6100-09-04-1441-Remote-Buffer-Overflow.html
oracle.com / technetwork/security-advisory/cpuapr2017-3236618.html
PatchVendor Advisory
securityfocus.com / bid/97778
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038292