How severe is CVE-2018-17444?

CVE-2018-17444 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-2018-17444 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17444?

CVE-2018-17444 primarily affects Citrix Netscaler Sd-wan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-17444?

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-2018-17444 published?

CVE-2018-17444 was published on 2018-10-23 and last updated on 2026-06-17.

CVE-2018-17444

CVE-2018-17444 is a high-severity vulnerability in Citrix Netscaler Sd-wan 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Citrix Netscaler Sd-wan
Published: 2018-10-23
Last modified: 2026-06-17

Description

A Directory Traversal issue was discovered in Citrix SD-WAN 10.1.0 and NetScaler SD-WAN 9.3.x before 9.3.6 and 10.0.x before 10.0.4.

Frequently asked questions

What is CVE-2018-17444?: A Directory Traversal issue was discovered in Citrix SD-WAN 10.1.0 and NetScaler SD-WAN 9.3.x before 9.3.6 and 10.0.x before 10.0.4.
How severe is CVE-2018-17444?: CVE-2018-17444 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-2018-17444 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17444?: CVE-2018-17444 primarily affects Citrix Netscaler Sd-wan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-17444?: 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-2018-17444 published?: CVE-2018-17444 was published on 2018-10-23 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:citrix:netscaler_sd-wan:*:*:*:*:*:*:*:*
cpe:2.3:a:citrix:sd-wan:10.1.0:*:*:*:*:*:*:*

More vulnerabilities in Citrix Netscaler Sd-wan

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