How severe is CVE-2018-12903?

CVE-2018-12903 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-2018-12903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12903?

CVE-2018-12903 affects Cyberark Endpoint Privilege Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12903?

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

When was CVE-2018-12903 published?

CVE-2018-12903 was published on 2018-06-26 and last updated on 2026-06-17.

CVE-2018-12903

CVE-2018-12903 is a medium-severity vulnerability in Cyberark Endpoint Privilege Manager 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% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cyberark Endpoint Privilege Manager
Published: 2018-06-26
Last modified: 2026-06-17

Description

In CyberArk Endpoint Privilege Manager (formerly Viewfinity) 10.2.1.603, there is persistent XSS via an account name on the create token screen, the VfManager.asmx SelectAccounts->DisplayName screen, a user's groups in ConfigurationPage, the Dialog Title field, and App Group Name in the Application Group Wizard.

Frequently asked questions

What is CVE-2018-12903?: In CyberArk Endpoint Privilege Manager (formerly Viewfinity) 10.2.1.603, there is persistent XSS via an account name on the create token screen, the VfManager.asmx SelectAccounts->DisplayName screen, a user's groups in ConfigurationPage, the Dialog Title field, and App Group Name in the Application Group Wizard.
How severe is CVE-2018-12903?: CVE-2018-12903 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-2018-12903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12903?: CVE-2018-12903 affects Cyberark Endpoint Privilege Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12903 published?: CVE-2018-12903 was published on 2018-06-26 and last updated on 2026-06-17.

References

http://code610.blogspot.com/2018/06/exploiting-cyberark-1021603.html

Affected products (1)

cpe:2.3:a:cyberark:endpoint_privilege_manager:10.2.1.603:*:*:*:*:*:*:*

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