CVE-2017-1720

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.

Published: 2018-02-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2017-1720

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-1720

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
1.8 3.4 [email protected]
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.9 6.4 [email protected]

Weakness enumeration for CVE-2017-1720

Affected software / configurations for CVE-2017-1720

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:*:*:*:*:*:*

References for CVE-2017-1720

cvelogic Threat Intelligence