Is CVE-2019-13608 actively exploited?

Yes. CVE-2019-13608 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2019-13608 be exploited remotely?

The attack vector of CVE-2019-13608 has not been classified yet.

What is the CVSS score of CVE-2019-13608?

CVE-2019-13608 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2019-13608

HIGHCISA KEVIN THE WILD

CVE-2019-13608

Published: November 3, 2021

EPSS:74.13%probability of exploitation in 30 daysPercentile:98.8th

Official Description

Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

NVD Source

CISA KEV Advisory

Citrix StoreFront Server XML External Entity (XXE) Processing Vulnerability

Citrix StoreFront Server contains an XML External Entity (XXE) processing vulnerability that may allow an unauthenticated attacker to retrieve potentially sensitive information.

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Citrix StoreFront Server is vulnerable to an XML External Entity (XXE) processing flaw, which could allow an unauthenticated attacker to retrieve sensitive information. With an EPSS score of 0.74129 and confirmed exploitation by CISA (is_in_kev: true), this is a critical vulnerability that is actively being exploited.

This vulnerability is actively exploited in the wild, making it a significant and immediate threat. Its inclusion in CISA's KEV confirms its active use by malicious actors.

Recommended Action

Administrators of Citrix StoreFront Server should apply the latest security patches to mitigate this XXE vulnerability. Reviewing and hardening XML parsing configurations can also help prevent information disclosure.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2019-13608 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2019-13608 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.