IBM Notes 8.5 and 9.0 could allow a local attacker to execute arbitrary commands by carefully crafting a command line sent via the shared memory IPC. IBM X-Force ID: 134807.
Conclusion & alert: CVE-2017-1720 is rated Low Risk (33.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.42%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-15 | 0.19% | 0.42% | +0.23% |
| 2 | 2025-03-19 | 0.15% | 0.19% | +0.05% |
| 3 | 2025-03-17 | — | 0.15% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.0 | MEDIUM |
|
1.8 | 3.4 | [email protected] |
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | notes | 8.5.0.0 | cpe:2.3:a:ibm:notes:8.5.0.0:*:*:*:*:*:*:* |
| ibm | notes | 8.5.1.0 | cpe:2.3:a:ibm:notes:8.5.1.0:*:*:*:*:*:*:* |
| ibm | notes | 8.5.2.0 | cpe:2.3:a:ibm:notes:8.5.2.0:*:*:*:*:*:*:* |
| ibm | notes | 8.5.3.0 | cpe:2.3:a:ibm:notes:8.5.3.0:*:*:*:*:*:*:* |
| ibm | notes | 9.0.0.0 | cpe:2.3:a:ibm:notes:9.0.0.0:*:*:*:*:*:*:* |
| ibm | notes | 9.0.1.0 | cpe:2.3:a:ibm:notes:9.0.1.0:*:*:*:*:*:*:* |
| ibm | client_application_access | 1.0.1.0 | cpe:2.3:a:ibm:client_application_access:1.0.1.0:*:*:*:*:*:*:* |
| ibm | client_application_access | 1.0.1.1 | cpe:2.3:a:ibm:client_application_access:1.0.1.1:*:*:*:*:*:*:* |
| ibm | client_application_access | 1.0.1.1 | cpe:2.3:a:ibm:client_application_access:1.0.1.1:interim_fix_1:*:*:*:*:*:* |
| ibm | client_application_access | 1.0.1.2 | cpe:2.3:a:ibm:client_application_access:1.0.1.2:interim_fix_1:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.ibm.com/support/docview.wss?uid=swg22010766 | Patch Vendor Advisory |
| http://www.ibm.com/support/docview.wss?uid=swg22010767 | Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/134807 | VDB Entry Vendor Advisory |