HOMEVULNERABILITIESCVE-2018-18985
MEDIUM

CVE-2018-18985

CWE-79Published: January 29, 2019· Updated: Jun 17, 2026

5.4
CVSS v3.1

Official Description

Tridium Niagara Enterprise Security 2.3u1, all versions prior to 2.3.118.6, Niagara AX 3.8u4, all versions prior to 3.8.401.1, Niagara 4.4u2, all versions prior to 4.4.93.40.2, and Niagara 4.6, all versions prior to 4.6.96.28.4 a cross-site scripting vulnerability has been identified that may allow a remote attacker to inject code to some web pages affecting confidentiality.

NVD Source

Technical Analysis

CVE-2018-18985 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected Vendors & Products

tridium3 product(s)
niagaraniagara ax frameworkniagara enterprise security
Source: NVD CPE · 6 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 (4)

http://www.securityfocus.com/bid/106530Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-333-02Third Party Advisory · US Government Resource
http://www.securityfocus.com/bid/106530Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-333-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2018-18985
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedJan 29, 2019

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-18985 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.