CVE-2016-6367

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 23%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

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

Cisco Adaptive Security Appliance (ASA) Software before 8.4(1) on ASA 5500, ASA 5500-X, PIX, and FWSM devices allows local users to gain privileges via invalid CLI commands, aka Bug ID CSCtu74257 or EPICBANANA.

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
23%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

August 18, 2016

Last Modified

June 17, 2026

Advisory Details (6)

Auto-updated May 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Cisco Event Response: Cisco ASA and IOS Vulnerabilities

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-56516
generic

Cisco Adaptive Security Appliance CLI Remote Code Execution Vulnerability

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-asa-cli
generic

The Shadow Brokers EPICBANANA and EXTRABACON Exploits - Cisco Blogs

http://blogs.cisco.com/security/shadow-brokers
generic🟡 PoC Available

Cisco ASA / PIX - 'EPICBANANA' Local Privilege Escalation - Hardware local Exploit

https://www.exploit-db.com/exploits/40271/
generic
http://www.securitytracker.com/id/1036636
generic
http://www.securityfocus.com/bid/92520

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 56× in last 7d / 230× 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 853 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-40271
    First seen Aug 19, 2016

    Cisco ASA / PIX - 'EPICBANANA' Local Privilege Escalation

    Open source ↗

Frequently asked(6)

What is CVE-2016-6367?
CVE-2016-6367 is a critical vulnerability published on August 18, 2016. Cisco Adaptive Security Appliance (ASA) Software before 8.4(1) on ASA 5500, ASA 5500-X, PIX, and FWSM devices allows local users to gain privileges via invalid CLI commands, aka Bug ID CSCtu74257 or EPICBANANA.
When was CVE-2016-6367 disclosed?
CVE-2016-6367 was first published in the National Vulnerability Database on August 18, 2016, 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-2016-6367 actively exploited?
Yes. CISA added CVE-2016-6367 to the Known Exploited Vulnerabilities catalog on May 24, 2022, affecting Cisco Adaptive Security Appliance (ASA). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-6367?
CVE-2016-6367 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2016-6367?
CVE-2016-6367 affects Cisco Adaptive Security Appliance (ASA). 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-2016-6367?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-6367, 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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