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).
Conclusion & alert: CVE-2017-3623 is rated High Exploit Risk (91/100): CVSS Critical severity, with high exploitation likelihood (EPSS 78.31%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.37% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 47888 | exploit_db | edb | 2020-01-08 | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-03 | 76.94% | 78.31% | +1.37% |
| 2 | 2025-03-30 | 79.35% | 76.94% | -2.41% |
| 3 | 2025-03-29 | — | 79.35% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 3.0 | CRITICAL |
|
3.9 | 6.0 | [email protected] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/155876/EBBISLAND-EBBSHAVE-6100-09-04-1441-Remote-Buffer-Overflow.html | |
| http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/97778 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1038292 |