HOMEVULNERABILITIESCVE-2019-18242
HIGH

CVE-2019-18242

CWE-941Published: March 24, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

In Moxa ioLogik 2500 series firmware, Version 3.0 or lower, and IOxpress configuration utility, Version 2.3.0 or lower, frequent and multiple requests for short-term use may cause the web server to fail.

NVD Source

Technical Analysis

CVE-2019-18242 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

moxa40 product(s)
iologik 2512 firmwareiologik 2512iologik 2512-t firmwareiologik 2512-tiologik 2512-hspa firmwareiologik 2512-hspaiologik 2512-hspa-t firmwareiologik 2512-hspa-tiologik 2512-wl1-eu firmwareiologik 2512-wl1-euiologik 2512-wl1-eu-t firmwareiologik 2512-wl1-eu-t+28
Source: NVD CPE · 40 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://www.us-cert.gov/ics/advisories/icsa-20-056-02Third Party Advisory · US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-056-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2019-18242
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-941
CISA KEVNo
Affected1 vendor(s)
PublishedMar 24, 2020

Related CVEs (CWE-941)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-18242 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.