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CVE-2017-6316

Improper Input Validation: Is CVE-2017-6316 real, exploitable, or a false positive? Here's the community verdict.

signals

public sources

Exploited in wild
Yes
CISA KEV
Public exploit
Exploit-DB
Metasploit/EDB/PoC
Base severity
9.8 Critical
CVSS
Exploitation prob.
73%
FIRST EPSS
Weakness
CWE-20 · Improper Input Validation
CWE

Confirmed exploited in the wild. Patch this first, regardless of the base score.

public exploits

links to sources — we don’t host code

A working exploit is publicly available from a maintained source. Treat this as higher urgency and verify your exposure.

baseline read

auto · not a community verdict

Real — exploited in the wild

CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.

Based on CISA KEV

Confirm or dispute →

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

Citrix NetScaler SD-WAN devices through v9.1.2.26.561201 allow remote attackers to execute arbitrary shell commands as root via a CGISESSID cookie. On CloudBridge (the former name of NetScaler SD-WAN) devices, the cookie name was CAKEPHP rather than CGISESSID.

Published

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In your experience, is this finding real and exploitable?

awaiting field verdicts
Real, but not a risk here
Not a real issue

Curated baseline: TruePositive's read from public sources is Real & exploitable — a starting point, not a community verdict.

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Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    Citrix Multiple Products Remote Code Execution Vulnerability — A vulnerability has been identified in the management interface of Citrix NetScaler SD-WAN Enterprise and Standard Edition and Citrix CloudBridge Virtual WAN Edition that could result in an unauthenticated, remote attacker being able to execute arbitrary code as a root user. This vulnerability also affects XenMobile Server. Listed in the CISA KEV catalog (added 2022-03-25) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~73%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · TruePositive EditorialCurated

    Required action for Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server: Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-04-15. After patching, verify the vulnerable path is no longer reachable before closing the finding.

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Same weakness: CWE-20 · Improper Input Validation.