CVE-2017-16717

A Heap-based Buffer Overflow issue was discovered in WECON LeviStudio HMI. The heap-based buffer overflow vulnerability has been identified, which may allow remote code execution.

Published: 2017-12-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-16717 is rated Moderate Risk (62.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.94%). Review affected assets and schedule remediation.

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-2017-16717

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 1.18% 1.94% +0.77%
2 2025-03-30 1.11% 1.18% +0.07%
3 2025-03-29 — 1.11% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-16717

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.6 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:N)
No account or special rights needed—anonymous or random user is enough.
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:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 4.7 [email protected]
9.0 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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:C)
Complete availability impact.
 10.0 8.5 [email protected]

Weakness enumeration for CVE-2017-16717

Affected software / configurations for CVE-2017-16717

Vendor Product Version Raw CPE
we-con levi_studio_hmi — cpe:2.3:a:we-con:levi_studio_hmi:-:*:*:*:*:*:*:*

References for CVE-2017-16717

URL Tags
https://ics-cert.us-cert.gov/advisories/ICSA-17-353-05 Third Party Advisory US Government Resource
cvelogic Threat Intelligence