HIGH
CVE-2019-18238
CWE-312Published: February 26, 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, sensitive information is stored in configuration files without encryption, which may allow an attacker to access an administrative account.
Technical Analysis
CVE-2019-18238 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 complete confidentiality breach (data exposure), 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
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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-2019-18238
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-312
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 26, 2020
Related CVEs (CWE-312)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-18238 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.