CVE-2023-3519

Unauthenticated remote code execution

CVSS v3.1

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

CVSS v3.1

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

EPSS

99.75% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2023-07-19, used in ransomware campaigns

Nuclei

critical · CWE-94

Published

2023-07-19

Updated

2026-08-05

Proof-of-concept exploits (14)

• http://packetstormsecurity.com/files/173997/Citrix-ADC-NetScaler-Remote-Code-Execution.ht…
• BishopFox/CVE-2023-3519228★ · 2023-08-23
• Chocapikk/CVE-2023-35195★ · 2026-01-08
• JonaNeidhart/CVE-2023-3519-BackdoorCheck0★ · 2023-08-31
• KR0N-SECURITY/CVE-2023-35191★ · 2023-07-21
• Mohammaddvd/CVE-2023-35195★ · 2024-10-06
• SalehLardhi/CVE-2023-351911★ · 2023-07-21
• d0rb/CVE-2023-35190★ · 2023-07-21
• mr-r3b00t/CVE-2023-351913★ · 2023-07-21
• passwa11/CVE-2023-35191★ · 2023-08-05
• rwincey/cve-2023-35191★ · 2023-08-10
• dhammerg/CVE-2023-3519
• getdrive/PoC
• tijldeneut/Security

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-3519.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/freebsd/http/citrix_formssso_tar…

Exploit collections (1)

• zan8in/afrog/blob/main/pocs/afrog-pocs/CVE/2023/CVE-2023-3519.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2015-0345
• CVE-2019-11510
• CVE-2021-35211
• CVE-2022-22274
• CVE-2023-0656
• CVE-2025-27090