VulnerabilityAnalyzed
CVE-2017-6316
Citrix Multiple Products Remote Code Execution Vulnerability
KEVCRITICAL 9.8EPSS 72.6%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 72.60% probability · 99th percentile
- CISA KEV
- Listed 25 March 2022 · due 15 April 2022
- Affected
- citrix/netscaler sd-wan
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-6316
References
- http://www.securityfocus.com/bid/99943Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039019Broken Link, Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX225990Permissions Required
- https://www.exploit-db.com/exploits/42345/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42346/Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/99943Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039019Broken Link, Third Party Advisory, VDB Entry
- https://support.citrix.com/article/CTX225990Permissions Required
- https://www.exploit-db.com/exploits/42345/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42346/Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6316US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.