SARA / Free Tools / CVE / CVE-2019-19781

CVE-2019-19781 — An issue was discovered in Citrix Application Delivery Controller (ADC) and Gate

An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.

CVSS

9.8 —

EPSS

— (top 0.00%)

CWE

CWE-22

Published

2019-12-27 (6y 4m ago)

Last modified

2025-11-07

CVSS vector

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

CISA KEV — Actively Exploited

Added to KEV

—

BOD 22-01 due

—

Ransomware use

Known

View KEV detail

01What is this vulnerability?

An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.

No structured affected-product list available — see references below for vendor advisories.

Yes — actively exploited. Added to the CISA KEV catalog on —. 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.

No additional references available in the KB record.

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