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CVE-2019-13608

85
FAUCET Score

CVE-2019-13608 is a high-severity XML External Entity (XXE) vulnerability affecting Citrix StoreFront Server versions before 1903, 7.15 LTSR before CU4, and 7.6 LTSR before CU8. This flaw allows unauthenticated attackers to remotely exploit the server with low complexity, potentially leading to significant information disclosure. The vulnerability is actively exploited in the wild, including in known ransomware campaigns, and has garnered considerable community discussion, though no public Metasploit or ExploitDB modules are currently available.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1811, < 1903CPE matchmatch criteria
cpe:2.3:a:citrix:storefront_server:*:*:*:*:*:*:*:*
< 3.12.4000CPE matchmatch criteria
cpe:2.3:a:citrix:storefront_server:*:*:*:*:*:*:*:*
< 3.0.8000CPE matchmatch criteria
cpe:2.3:a:citrix:storefront_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
30.04%
Probability of exploitation in next 30 days
EPSS Percentile
98.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Nuclei: CVE-2019-13608 · Jan 22, 2026
This CVE's current EPSS score of 0.3004 is in the 97th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

citrixworkaround availablevia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
support.citrix.com / article/CTX251988
MitigationVendor Advisory