How severe is CVE-2025-12101?

CVE-2025-12101 has a CVSS 4.0 base score of 5.9, rated medium severity.

Is CVE-2025-12101 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12101?

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

Does CVE-2025-12101 have an EU (EUVD) identifier?

Yes. CVE-2025-12101 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-84344.

When was CVE-2025-12101 published?

CVE-2025-12101 was published on 2025-11-11 and last updated on 2026-06-17.

CVE-2025-12101

CVE-2025-12101 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.9. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 4.0 base score 5.9)
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-84344
Weakness: CWE-79
Published: 2025-11-11
Last modified: 2026-06-17

Description

Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

Frequently asked questions

What is CVE-2025-12101?: Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
How severe is CVE-2025-12101?: CVE-2025-12101 has a CVSS 4.0 base score of 5.9, rated medium severity.
Is CVE-2025-12101 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12101?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12101 have an EU (EUVD) identifier?: Yes. CVE-2025-12101 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-84344.
When was CVE-2025-12101 published?: CVE-2025-12101 was published on 2025-11-11 and last updated on 2026-06-17.

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695486

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