CVE-2017-6316

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 73%CVSS: 9.8Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
73%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

July 20, 2017

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Sep 21, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🟡 PoC Available

Citrix CloudBridge - 'CAKEPHP' Cookie Command Injection - CGI webapps Exploit

https://www.exploit-db.com/exploits/42346/
generic🟡 PoC Available

Netscaler SD-WAN 9.1.2.26.561201 - Command Injection (Metasploit) - CGI webapps Exploit

https://www.exploit-db.com/exploits/42345/
generic

Loading...

https://support.citrix.com/article/CTX225990
generic🔴 Active Exploitation

CVE-2017-6316 - PSIRT.COM

http://www.securityfocus.com/bid/99943
generic
http://www.securitytracker.com/id/1039019

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 57× in last 7d / 243× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 926 total refreshes for this CVE.

  1. 2026-09-25 15:16 UTCGHSA enrichment
  2. 2026-09-25 14:55 UTCCISA KEV update
  3. 2026-09-25 11:30 UTCGHSA enrichment
  4. 2026-09-25 07:45 UTCGHSA enrichment
  5. 2026-09-25 04:00 UTCGHSA enrichment
  6. 2026-09-25 00:16 UTCGHSA enrichment
  7. 2026-09-24 20:31 UTCGHSA enrichment
  8. 2026-09-24 19:31 UTCCISA KEV update
  9. 2026-09-24 16:46 UTCEG score recompute
  10. 2026-09-24 16:46 UTCGHSA enrichment
  11. 2026-09-24 13:59 UTCEPSS rescore
  12. 2026-09-24 13:01 UTCGHSA enrichment
  13. 2026-09-24 09:17 UTCGHSA enrichment
  14. 2026-09-24 05:32 UTCGHSA enrichment
  15. 2026-09-24 01:48 UTCGHSA enrichment
  16. 2026-09-23 22:03 UTCGHSA enrichment
  17. 2026-09-23 18:18 UTCGHSA enrichment
  18. 2026-09-23 14:33 UTCEG score recompute
  19. 2026-09-23 14:33 UTCGHSA enrichment
  20. 2026-09-23 10:48 UTCGHSA enrichment
  21. 2026-09-23 07:04 UTCGHSA enrichment
  22. 2026-09-23 03:19 UTCGHSA enrichment
  23. 2026-09-22 23:35 UTCGHSA enrichment
  24. 2026-09-22 19:50 UTCGHSA enrichment
  25. 2026-09-22 19:36 UTCCISA KEV update
Show 75 more
  1. 2026-09-22 16:06 UTCEG score recompute
  2. 2026-09-22 16:06 UTCGHSA enrichment
  3. 2026-09-22 12:19 UTCGHSA enrichment
  4. 2026-09-22 08:34 UTCGHSA enrichment
  5. 2026-09-22 04:49 UTCGHSA enrichment
  6. 2026-09-22 01:04 UTCGHSA enrichment
  7. 2026-09-21 21:20 UTCEG score recompute
  8. 2026-09-21 21:20 UTCGHSA enrichment
  9. 2026-09-21 19:09 UTCCISA KEV update
  10. 2026-09-21 17:36 UTCGHSA enrichment
  11. 2026-09-21 13:51 UTCGHSA enrichment
  12. 2026-09-21 10:06 UTCGHSA enrichment
  13. 2026-09-21 06:21 UTCGHSA enrichment
  14. 2026-09-21 02:36 UTCGHSA enrichment
  15. 2026-09-20 22:51 UTCGHSA enrichment
  16. 2026-09-20 19:07 UTCGHSA enrichment
  17. 2026-09-20 15:21 UTCGHSA enrichment
  18. 2026-09-20 11:36 UTCGHSA enrichment
  19. 2026-09-20 07:48 UTCGHSA enrichment
  20. 2026-09-20 04:01 UTCGHSA enrichment
  21. 2026-09-20 00:16 UTCGHSA enrichment
  22. 2026-09-19 20:31 UTCGHSA enrichment
  23. 2026-09-19 16:46 UTCGHSA enrichment
  24. 2026-09-19 13:01 UTCGHSA enrichment
  25. 2026-09-19 09:16 UTCGHSA enrichment
  26. 2026-09-19 05:30 UTCGHSA enrichment
  27. 2026-09-19 01:45 UTCGHSA enrichment
  28. 2026-09-18 22:01 UTCEG score recompute
  29. 2026-09-18 22:01 UTCGHSA enrichment
  30. 2026-09-18 19:22 UTCEPSS rescore
  31. 2026-09-18 19:20 UTCCISA KEV update
  32. 2026-09-18 18:17 UTCGHSA enrichment
  33. 2026-09-18 14:32 UTCGHSA enrichment
  34. 2026-09-18 14:15 UTCCISA KEV update
  35. 2026-09-18 10:47 UTCGHSA enrichment
  36. 2026-09-18 07:03 UTCGHSA enrichment
  37. 2026-09-18 03:18 UTCGHSA enrichment
  38. 2026-09-17 23:32 UTCGHSA enrichment
  39. 2026-09-17 19:47 UTCEG score recompute
  40. 2026-09-17 19:47 UTCGHSA enrichment
  41. 2026-09-17 19:22 UTCEPSS rescore
  42. 2026-09-17 16:02 UTCGHSA enrichment
  43. 2026-09-17 12:17 UTCGHSA enrichment
  44. 2026-09-17 08:32 UTCGHSA enrichment
  45. 2026-09-17 04:47 UTCGHSA enrichment
  46. 2026-09-17 01:02 UTCGHSA enrichment
  47. 2026-09-16 21:17 UTCGHSA enrichment
  48. 2026-09-16 17:32 UTCEG score recompute
  49. 2026-09-16 17:32 UTCGHSA enrichment
  50. 2026-09-16 14:10 UTCCISA KEV update
  51. 2026-09-16 13:42 UTCGHSA enrichment
  52. 2026-09-16 09:55 UTCGHSA enrichment
  53. 2026-09-16 06:09 UTCEG score recompute
  54. 2026-09-16 06:09 UTCGHSA enrichment
  55. 2026-09-16 02:25 UTCGHSA enrichment
  56. 2026-09-15 22:39 UTCGHSA enrichment
  57. 2026-09-15 18:54 UTCGHSA enrichment
  58. 2026-09-15 15:09 UTCGHSA enrichment
  59. 2026-09-15 11:24 UTCGHSA enrichment
  60. 2026-09-15 07:39 UTCGHSA enrichment
  61. 2026-09-15 03:54 UTCGHSA enrichment
  62. 2026-09-15 00:09 UTCGHSA enrichment
  63. 2026-09-14 20:24 UTCGHSA enrichment
  64. 2026-09-14 19:24 UTCCISA KEV update
  65. 2026-09-14 16:39 UTCGHSA enrichment
  66. 2026-09-14 12:54 UTCGHSA enrichment
  67. 2026-09-14 09:09 UTCGHSA enrichment
  68. 2026-09-14 05:25 UTCGHSA enrichment
  69. 2026-09-14 01:40 UTCGHSA enrichment
  70. 2026-09-13 21:56 UTCGHSA enrichment
  71. 2026-09-13 18:11 UTCEG score recompute
  72. 2026-09-13 18:11 UTCGHSA enrichment
  73. 2026-09-13 16:42 UTCEPSS rescore
  74. 2026-09-13 14:26 UTCGHSA enrichment
  75. 2026-09-13 10:41 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-42346
    First seen Jul 19, 2017

    Citrix CloudBridge - 'CAKEPHP' Cookie Command Injection

    Open source ↗
  • Exploit-DBEDB-42345
    First seen Jul 19, 2017

    Netscaler SD-WAN 9.1.2.26.561201 - Command Injection (Metasploit)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2017-6316?
CVE-2017-6316 is a critical vulnerability published on July 20, 2017. 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.
When was CVE-2017-6316 disclosed?
CVE-2017-6316 was first published in the National Vulnerability Database on July 20, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-6316 actively exploited?
Yes. CISA added CVE-2017-6316 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2017-6316?
CVE-2017-6316 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2017-6316?
CVE-2017-6316 affects Citrix NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile Server. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2017-6316?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-6316, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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