Security readout for executives and security teams
Plain-English summary
This vulnerability can let a remote unauthenticated actor crash Rockwell Automation RSLinx Classic by sending malformed Ethernet/IP traffic. The stated impact is loss of application availability until a user restarts the software. For industrial environments, urgency depends on whether affected RSLinx systems are reachable from untrusted networks.
Executive priority
Treat as a targeted availability risk for industrial operations. Prioritize systems that support production, safety-adjacent workflows, or remote connectivity. The urgency is lower than a confirmed exploited code-execution flaw but higher where RSLinx availability is operationally critical.
Technical view
CVE-2018-14827 affects Rockwell Automation RSLinx Classic 4.00.01 and prior. The flaw is categorized as CWE-400 and allows specially crafted Ethernet/IP packets to TCP port 44818 to make the application stop responding and crash. No CVSS score or fixed version is provided in the supplied bundle.
Likely exposure
Exposure is most likely on Windows engineering or operational systems running RSLinx Classic 4.00.01 or earlier where Ethernet/IP traffic can reach the application. Internet, corporate network, or vendor remote-access exposure would raise urgency.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The described attack is remote and unauthenticated, but the documented outcome is denial of service, not code execution or data theft.
Researcher notes
Evidence is limited to the CVE record and referenced ICS-CERT advisory entry in the supplied bundle. Do not assume a patch level, exploit availability, or broader product impact without checking Rockwell’s advisory details and local asset evidence.
Mitigation direction
- Identify all RSLinx Classic installations and confirm versions.
- Review Rockwell and CISA advisory guidance for supported updates or mitigations.
- Restrict access to Ethernet/IP services from untrusted networks.
- Ensure operational procedures cover rapid restart and service recovery.
- Monitor affected hosts for unexpected RSLinx crashes or availability loss.
Validation and detection
- Inventory hosts running RSLinx Classic and record exact versions.
- Confirm whether version 4.00.01 or earlier is present.
- Map which networks can reach Ethernet/IP service traffic.
- Check logs and operations records for unexplained RSLinx crashes.
- Document compensating controls where upgrades are not yet confirmed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-14827 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.