MEDIUM
CVE-2019-18255
CWE-732Published: February 18, 2021· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
HMI/SCADA iFIX (Versions 6.1 and prior) allows a local authenticated user to modify system-wide iFIX configurations through section objects. This may allow privilege escalation.
Technical Analysis
CVE-2019-18255 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
ge1 product(s)
ifix
Source: NVD CPE · 1 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
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Official Patches & Advisories
All References (2)
→
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-01Third Party Advisory · US Government Resource
→
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-01Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2019-18255
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-732
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 18, 2021
Related CVEs (CWE-732)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-18255 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.