CVE-2017-6316: Citrix Multiple Products Remote Code Execution Vulnerability
Vulnerability summary
CVE-2017-6316 is a high (CVSS 10.0) vulnerability in Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server. It is known to be exploited: CISA lists it, first on 25-03-2022. EPSS estimates a 73.03% chance of exploitation in the next 30 days, higher than 99.4% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 20-07-2017PublishedVulnerability first disclosed.
- 25-03-2022Added to CISA KEVCitrix Multiple Products Remote Code Execution Vulnerability
- 15-04-2022CISA remediation dueApply updates per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versions- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
73.03%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 73.03% on 18-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 25-03-2022
- Federal due date
- 15-04-2022
CISA required action
Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2017-6316
Public exploits
2 foundCitrix CloudBridge - 'CAKEPHP' Cookie Command Injection
Maturity: poc
Netscaler SD-WAN 9.1.2.26.561201 - Command Injection (Metasploit)
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Citrix1 product
- netscaler_sd-wan≤ 9.1.2.26.561201
1 vendor · 1 product
References
6 links- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6316Government ResourceUS Government Resource