CVE-2020-8193

CRITICALNVD 6.59.0▲
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 6.5 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: 88%CVSS: 6.5Exploit: 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.

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 allows unauthenticated access to certain URL endpoints.

CVSS v3
6.5
EG Score
9.0(high)
EG Risk
96(Attend)
EG Risk 96/100SSVC: 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%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
88%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

July 10, 2020

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Jun 12, 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-2020-8193
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 50× in last 7d / 214× 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 763 total refreshes for this CVE.

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

Publicly available exploits

(6 references)

Working exploit code is in the public domain (5 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCctlyz123/CVE-2020-8193
    First seen Jul 15, 2020
    Open source ↗
  • GitHub PoCPR3R00T/CVE-2020-8193-Citrix-Scanner
    First seen Jul 13, 2020

    Scanning for CVE-2020-8193 - Auth Bypass check

    Open source ↗
  • GitHub PoCAirboi/Citrix-ADC-RCE-CVE-2020-8193
    First seen Jul 12, 2020

    Citrix ADC从权限绕过到RCE

    Open source ↗
  • GitHub PoCZeop-CyberSec/citrix_adc_netscaler_lfi
    First seen Jul 12, 2020

    This Metasploit-Framework module can be use to help companies to check the last Citrix vulnerability CVE-2020-8193, CVE-2020-8195 and CVE-2020-8196 (disclosed July 08, 2020).

    Open source ↗
  • GitHub PoCjas502n/CVE-2020-8193
    First seen Jul 10, 2020

    Citrix ADC Vulns

    Open source ↗
  • Nucleihttp/cves/2020/CVE-2020-8193.yaml
    First seen Jan 1, 2020

    Citrix - Local File Inclusion

    Open source ↗

Frequently asked(6)

What is CVE-2020-8193?
CVE-2020-8193 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 allows unauthenticated access to certain URL endpoints.
When was CVE-2020-8193 disclosed?
CVE-2020-8193 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-2020-8193 actively exploited?
Yes. CISA added CVE-2020-8193 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-2020-8193?
CVE-2020-8193 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2020-8193?
CVE-2020-8193 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-2020-8193?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8193, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2020-8193

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