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CVE-2023-3519

Unauthenticated remote code execution

9.8 CriticalIn KEVPublic exploit

Unauthenticated remote code execution

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

99.7%Up 97.5 points since Jul 20, 2023
90%50%10%1%

What each source reports

CVE List Score used 9.8

Unauthenticated remote code execution

Record
CVE-2023-3519
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-02
EUVDEUVD-2023-44176 9.8

Unauthenticated remote code execution

Record
EUVD-2023-44176
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-m4j4-rmj5-w5gp 9.8

Unauthenticated remote code execution

Unauthenticated remote code execution

Record
GHSA-m4j4-rmj5-w5gp
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-02
CISA KEV No score

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution.

Record
CVE-2023-3519
Weakness
CWE-94
Updated
2026-11-02
NVD 9.8

Unauthenticated remote code execution

Record
CVE-2023-3519
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
MetasploitCitrix ADC (NetScaler) Forms SSO Target RCE2023-07-18
PoC in GitHubsecurekomodo/citrixInspector2023-07-20
PoC in GitHubtelekom-security/cve-2023-3519-citrix-scanner2023-07-20
PoC in GitHubBishopFox/CVE-2023-35192023-07-21
PoC in GitHubKR0N-SECURITY/CVE-2023-35192023-07-21
PoC in GitHubSalehLardhi/CVE-2023-35192023-07-21
PoC in GitHubd0rb/CVE-2023-35192023-07-21
PoC in GitHubmr-r3b00t/CVE-2023-35192023-07-21
PoC in GitHubpasswa11/CVE-2023-35192023-08-05
PoC in GitHubrwincey/cve-2023-35192023-08-06
Show 5 moreShow less
Public exploits
SourceLinkDate
PoC in GitHubmandiant/citrix-ioc-scanner-cve-2023-35192023-08-10
PoC in GitHubChocapikk/CVE-2023-35192023-08-24
PoC in GitHubJonaNeidhart/CVE-2023-3519-BackdoorCheck2023-08-31
PoC in GitHubdhammerg/CVE-2023-35192023-10-27
NucleiCitrix NetScaler ADC and NetScaler Gateway - Remote Code Execution

History

History
RecordedChangedSources
exploitation, exploits
first indexedCVE List, EUVD, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3519 is a critical vulnerability (CVSS 9.8) in Citrix Netscaler Adc, published July 19, 2023. CISA lists it as known to be exploited, since July 19, 2023. EUVD reports exploitation since July 19, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 99.7%, the 99th percentile. No source names a fixed version.

References

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