SARA / Free Tools / CVE / CVE-2019-13608

CVE-2019-13608 — Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability

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.

CVSS

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EPSS

71.36% (top 1.30%)

CWE

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Published

2019-08-29T18:33:18.000Z

Last modified

2025-10-21T23:45:31.593Z

CVSS vector

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CISA KEV — Actively Exploited

Added to KEV

2021-11-03

BOD 22-01 due

2022-05-03

Ransomware use

Known

View KEV detail

01What is this vulnerability?

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.

Vendor	Product	Versions
n	a / n/a	n/a

Yes — actively exploited. Added to the CISA KEV catalog on 2021-11-03. Ransomware use: Known.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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