CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2019-19781: Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2019-19781
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 ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

CSIRTS triage

vendor: Citrixproduct: ADC, Gateway, SD-WAN WANOP ApplianceRemote code execution
What
An unspecified vulnerability could allow code execution by an unauthenticated attacker.
Who is affected
Users of Citrix ADC, Gateway, and SD-WAN WANOP appliances are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the recommended updates from Citrix.

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

⚡ Watch ADC, Gateway, SD-WAN WANOP Appliance

Get an email when a new ADC, Gateway, SD-WAN WANOP Appliance advisory drops — max one per day, one-click unsubscribe.

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-2019-19781

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-2019-19781coverage & exploitation statusNVD · CVE.org

Recent advisories for Citrix ADC

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities