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CVE-2018-18985

20
FAUCET Score

CVE-2018-18985 is a cross-site scripting (XSS) vulnerability affecting Tridium Niagara Enterprise Security 2.3u1 (and earlier), Niagara AX 3.8u4 (and earlier), Niagara 4.4u2 (and earlier), and Niagara 4.6 (and earlier). This flaw allows a remote attacker to inject malicious code into certain web pages, potentially compromising the confidentiality of affected systems. The vulnerability has a CVSSv3 score of 5.4 (MEDIUM), indicating a low-complexity attack requiring user interaction, with impacts on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.4.93.40.2CPE matchmatch criteria
cpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
>= 4.6, < 4.6.96.28.4CPE matchmatch criteria
cpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
4.4u2CPE matchmatch criteria
cpe:2.3:a:tridium:niagara:4.4u2:*:*:*:*:*:*:*
< 3.8.401.1CPE matchmatch criteria
cpe:2.3:a:tridium:niagara_ax_framework:*:*:*:*:*:*:*:*
3.8u4CPE matchmatch criteria
cpe:2.3:a:tridium:niagara_ax_framework:3.8u4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 92nd percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ics-cert.us-cert.gov / advisories/ICSA-18-333-02
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/106530
Third Party AdvisoryVDB Entry