How severe is CVE-2018-18985?

CVE-2018-18985 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-18985 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18985?

CVE-2018-18985 primarily affects Tridium Niagara. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-18985?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18985 published?

CVE-2018-18985 was published on 2019-01-29 and last updated on 2026-06-17.

CVE-2018-18985

CVE-2018-18985 is a medium-severity vulnerability in Tridium Niagara with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tridium Niagara
Published: 2019-01-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-18985?: 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.
How severe is CVE-2018-18985?: CVE-2018-18985 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-18985 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18985?: CVE-2018-18985 primarily affects Tridium Niagara. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-18985?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18985 published?: CVE-2018-18985 was published on 2019-01-29 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara:4.4u2:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_ax_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_ax_framework:3.8u4:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_enterprise_security:*:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_enterprise_security:2.3u1:*:*:*:*:*:*:*

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