CVE-2017-3623Solaris Operating System Vulnerability
For supported versions that are affected see note.
Published Apr 24, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-3623 is a critical-severity vulnerability (CVSS 10.0 v3) affecting Solaris Operating System.
- It is exploited in the wild, listed in Industry KEV feed since Jun 20, 2017. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3
10.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
23%
Higher than 97.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jun 20, 2017
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
Description
Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Kernel RPC). For supported versions that are affected see note. Easily "exploitable" vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Solaris.
While the vulnerability is in Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Solaris. Note: CVE-2017-3623 is assigned for "Ebbisland".
Solaris 10 systems which have had any Kernel patch installed after, or updated via patching tools since 2012-01-26 are not impacted. Also, any Solaris 10 system installed with Solaris 10 1/13 (Solaris 10 Update 11) are not vulnerable. Solaris 11 is not impacted by this issue.
CVSS 3.0 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 20, 2017 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Solaris Operating System | >= None | n/a |
Timeline
Publicly disclosed
Apr 24, 2017
Added to Industry KEV feed
Jun 20, 2017
Last updated
May 12, 2026
References
- advisory97778
- patchoracle.com · cpuapr2017-3236618.html
- exploitVulnCheck exploitation report
- exploitExploitDB-47888
- otherpacketstormsecurity.com · EBBISLAND-EBBSHAVE-6100-09-04-1441-Remote-Buffe…
FAQ
Common Questions.
Vulnerability in the Solaris component of Oracle Sun Systems Products Suite (subcomponent: Kernel RPC).
Affected: Solaris Operating System versions >= None. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 20, 2017.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2017-3623 On Your Attack Surface?
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