CVE-2020-8196

CRITICALNVD 4.39.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 4.3 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: 26%CVSS: 4.3Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

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

Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.

CVSS v3
4.3
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
26%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

July 10, 2020

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Jun 15, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8196
generic

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https://support.citrix.com/article/CTX276688
generic

Packet Storm

http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 59× in last 7d / 242× 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 871 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2020-8196?
CVE-2020-8196 is a critical vulnerability published on July 10, 2020. Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.
When was CVE-2020-8196 disclosed?
CVE-2020-8196 was first published in the National Vulnerability Database on July 10, 2020, with the most recent update on October 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-8196 actively exploited?
Yes. CISA added CVE-2020-8196 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-8196?
CVE-2020-8196 has a CVSS v3 base score of 4.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2020-8196?
CVE-2020-8196 affects Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance. 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-2020-8196?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8196, 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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