How severe is CVE-2018-6659?

CVE-2018-6659 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2018-6659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6659?

CVE-2018-6659 primarily affects Mcafee Epolicy Orchestrator. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-6659?

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

When was CVE-2018-6659 published?

CVE-2018-6659 was published on 2018-04-02 and last updated on 2026-06-17.

CVE-2018-6659

CVE-2018-6659 is a low-severity vulnerability in Mcafee Epolicy Orchestrator with a CVSS 3.x base score of 3.7. 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: Low (CVSS 3.x base score 3.7)
CVSS v2: 3.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mcafee Epolicy Orchestrator
Published: 2018-04-02
Last modified: 2026-06-17

Description

Reflected Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) 5.3.2, 5.3.1, 5.3.0 and 5.9.0 allows remote authenticated users to exploit an XSS issue via not sanitizing the user input.

Frequently asked questions

What is CVE-2018-6659?: Reflected Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) 5.3.2, 5.3.1, 5.3.0 and 5.9.0 allows remote authenticated users to exploit an XSS issue via not sanitizing the user input.
How severe is CVE-2018-6659?: CVE-2018-6659 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2018-6659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6659?: CVE-2018-6659 primarily affects Mcafee Epolicy Orchestrator. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-6659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6659 published?: CVE-2018-6659 was published on 2018-04-02 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.2:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:epolicy_orchestrator:5.9.0:*:*:*:*:*:*:*

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