How severe is CVE-2019-13608?

CVE-2019-13608 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-2019-13608 being actively exploited?

Yes. CVE-2019-13608 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2019-13608?

CVE-2019-13608 affects Citrix Storefront Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13608?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2019-13608 have an EU (EUVD) identifier?

Yes. CVE-2019-13608 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-5046. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2019-13608 published?

CVE-2019-13608 was published on 2019-08-29 and last updated on 2026-06-17.

CVE-2019-13608

CVE-2019-13608 is a high-severity vulnerability in Citrix Storefront Server with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
EU (EUVD) id: EUVD-2019-5046
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
Weakness: CWE-611
Affected product: Citrix Storefront Server
Published: 2019-08-29
Last modified: 2026-06-17

Description

Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE attacks.

Frequently asked questions

What is CVE-2019-13608?: Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE attacks.
How severe is CVE-2019-13608?: CVE-2019-13608 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-2019-13608 being actively exploited?: Yes. CVE-2019-13608 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2019-13608?: CVE-2019-13608 affects Citrix Storefront Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13608?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2019-13608 have an EU (EUVD) identifier?: Yes. CVE-2019-13608 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-5046. It is also flagged as exploited in the EUVD (since 2021-11-03).
When was CVE-2019-13608 published?: CVE-2019-13608 was published on 2019-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:citrix:storefront_server:*:*:*:*:*:*:*:*

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