ExploitedIn CISA KEV

CVE-2017-6316

Exploitation confirmed. First attested on 2022-03-25 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2017-07-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2017-07-2004:29CVE publishedNVD
2022-03-25Added to the CISA KEV catalogCISA KEV
2022-03-25Listed as exploited by GCVEGCVE
2022-03-25Exploitation first reportedCISA KEV
2025-02-0420:46SSVC exploitation set to activeCISA-ADP
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-6316?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-6316?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Citrix netscaler sd-wan

Branch	Affected	Fixed in	Source
9.1	≤ 9.1.2.26.561201	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-04-15

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

CISA Known Exploited Vulnerability

Date Added: 2022-03-25
Patch Due Date: 2022-04-15
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2022-03-25
GCVEexploitation2022-03-25
CISA-ADPSSVC decisionactive2025-02-04
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.19.82025-02-04
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
FIRST EPSSEPSS score73.0 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2017-07-20
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2017-6316?

Is CVE-2017-6316 actively exploited?

Yes. CVE-2017-6316 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-04-15.

What is the CVSS score for CVE-2017-6316?

CVE-2017-6316 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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