How severe is CVE-2018-6808?

CVE-2018-6808 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-6808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6808?

CVE-2018-6808 primarily affects Citrix Netscaler Application Delivery Controller Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-6808?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-6808 published?

CVE-2018-6808 was published on 2018-03-06 and last updated on 2026-06-17.

CVE-2018-6808

CVE-2018-6808 is a high-severity vulnerability in Citrix Netscaler Application Delivery Controller Firmware with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Citrix Netscaler Application Delivery Controller Firmware
Published: 2018-03-06
Last modified: 2026-06-17

Description

NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allow remote attackers to download arbitrary files on the target system.

Frequently asked questions

What is CVE-2018-6808?: NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allow remote attackers to download arbitrary files on the target system.
How severe is CVE-2018-6808?: CVE-2018-6808 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-6808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6808?: CVE-2018-6808 primarily affects Citrix Netscaler Application Delivery Controller Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-6808?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-6808 published?: CVE-2018-6808 was published on 2018-03-06 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:10.5:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:11.0:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:11.1:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:12.0:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_gateway_firmware:10.5:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_gateway_firmware:11.0:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_gateway_firmware:11.1:*:*:*:*:*:*:*
cpe:2.3:o:citrix:netscaler_gateway_firmware:12.0:*:*:*:*:*:*:*

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