CVE-2023-3519

unknown KEV

Published 2023-07-19 · Modified 2023-07-19

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

Description

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

CISA KEV

Vendor: Citrix
Product: NetScaler ADC and NetScaler Gateway
Due date: 2023-08-09

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_freebsd/http/citrix_formssso_target_rce rank 300

Citrix ADC (NetScaler) Forms SSO Target RCE

Source fetch failed: fetch_error — view the original via the link above.

References

https://support.citrix.com/article/CTX561482/citrix-adc-and-citrix-gateway-security-bulletin-for-cve20233519-cve20233466-cve20233467; https://nvd.nist.gov/vuln/detail/CVE-2023-3519

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.