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

criticalknown exploitedpublic exploitCVE-2019-13608
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

CSIRTS triage

vendor: Citrixproduct: StoreFront ServerInformation disclosure
What
Citrix StoreFront Server has an XML External Entity (XXE) processing vulnerability that may disclose sensitive information.
Who is affected
Users of Citrix StoreFront Server.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates from Citrix.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-13608

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-13608coverage & exploitation statusNVD · CVE.org

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