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.
CVE-2020-8193
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.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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 computedSeverity90% × 45%Exploitation100% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS
- 99.8%
- KEV
- ⚠ Exploited
Published
July 10, 2020
Last Modified
October 30, 2025
Advisory Details (3)
Auto-updated Jun 12, 2026Known 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-2020-8193Weakness Classification(3)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 39× in last 7d / 197× 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 372 total refreshes for this CVE.
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 01:55 UTCEG score recompute
- 2026-07-22 21:44 UTCEG score recompute
- 2026-07-22 21:44 UTCGHSA enrichment
- 2026-07-22 19:40 UTCCISA KEV update
- 2026-07-22 17:24 UTCEG score recompute
- 2026-07-22 17:23 UTCGHSA enrichment
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-22 13:19 UTCGHSA enrichment
- 2026-07-22 09:15 UTCGHSA enrichment
- 2026-07-22 05:10 UTCGHSA enrichment
- 2026-07-22 01:06 UTCGHSA enrichment
- 2026-07-21 21:02 UTCGHSA enrichment
- 2026-07-21 16:58 UTCEG score recompute
- 2026-07-21 16:58 UTCGHSA enrichment
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 14:37 UTCCISA KEV update
- 2026-07-21 12:54 UTCGHSA enrichment
- 2026-07-21 08:43 UTCGHSA enrichment
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- 2026-07-21 00:34 UTCGHSA enrichment
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- 2026-07-20 08:17 UTCGHSA enrichment
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- 2026-07-17 02:58 UTCGHSA enrichment
- 2026-07-16 22:54 UTCGHSA enrichment
- 2026-07-16 18:51 UTCGHSA enrichment
- 2026-07-16 17:04 UTCCISA KEV update
- 2026-07-16 14:47 UTCGHSA enrichment
- 2026-07-16 10:43 UTCGHSA enrichment
- 2026-07-16 06:38 UTCGHSA enrichment
- 2026-07-16 02:34 UTCGHSA enrichment
- 2026-07-15 22:31 UTCGHSA enrichment
- 2026-07-15 18:27 UTCGHSA enrichment
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 16:49 UTCCISA KEV update
- 2026-07-15 15:04 UTCCISA KEV update
- 2026-07-15 14:22 UTCGHSA enrichment
- 2026-07-15 10:17 UTCGHSA enrichment
- 2026-07-15 06:12 UTCGHSA enrichment
- 2026-07-15 02:09 UTCGHSA enrichment
- 2026-07-14 22:04 UTCGHSA enrichment
- 2026-07-14 18:05 UTCCISA KEV update
- 2026-07-14 17:59 UTCGHSA enrichment
- 2026-07-14 13:55 UTCGHSA enrichment
- 2026-07-14 09:51 UTCGHSA enrichment
- 2026-07-14 05:48 UTCGHSA enrichment
- 2026-07-14 01:44 UTCGHSA enrichment
- 2026-07-13 21:41 UTCGHSA enrichment
- 2026-07-13 17:37 UTCGHSA enrichment
- 2026-07-13 17:07 UTCCISA KEV update
- 2026-07-13 13:33 UTCGHSA enrichment
- 2026-07-13 09:29 UTCGHSA enrichment
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-13 05:24 UTCGHSA enrichment
- 2026-07-13 01:20 UTCGHSA enrichment
- 2026-07-12 21:17 UTCGHSA enrichment
- 2026-07-12 17:13 UTCGHSA enrichment
- 2026-07-12 13:10 UTCGHSA enrichment
- 2026-07-12 09:06 UTCGHSA enrichment
- 2026-07-12 05:02 UTCGHSA enrichment
- 2026-07-12 00:59 UTCGHSA enrichment
- 2026-07-11 20:55 UTCGHSA enrichment
- 2026-07-11 16:51 UTCGHSA enrichment
- 2026-07-11 12:47 UTCGHSA enrichment
- 2026-07-11 08:43 UTCGHSA enrichment
- 2026-07-11 04:39 UTCGHSA enrichment
- 2026-07-11 00:34 UTCGHSA enrichment
- 2026-07-10 20:30 UTCGHSA enrichment
- 2026-07-10 17:52 UTCCISA KEV update
- 2026-07-10 16:27 UTCGHSA enrichment
- 2026-07-10 12:23 UTCGHSA enrichment
- 2026-07-10 08:18 UTCGHSA enrichment
- 2026-07-10 04:13 UTCGHSA enrichment
- 2026-07-10 00:09 UTCGHSA enrichment
- 2026-07-09 20:04 UTCGHSA enrichment
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-09 15:59 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.
- Open source ↗GitHub PoCctlyz123/CVE-2020-8193First seen Jul 15, 2020
- GitHub PoCPR3R00T/CVE-2020-8193-Citrix-ScannerFirst seen Jul 13, 2020
Scanning for CVE-2020-8193 - Auth Bypass check
Open source ↗ - GitHub PoCAirboi/Citrix-ADC-RCE-CVE-2020-8193First seen Jul 12, 2020
Citrix ADC从权限绕过到RCE
Open source ↗ - GitHub PoCZeop-CyberSec/citrix_adc_netscaler_lfiFirst 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-2020-8193First seen Jul 10, 2020
Citrix ADC Vulns
Open source ↗ - Nucleihttp/cves/2020/CVE-2020-8193.yamlFirst seen Jan 1, 2020
Citrix - Local File Inclusion
Open source ↗
Related CVEs(same CWE)
Frequently asked(6)
What is CVE-2020-8193?
When was CVE-2020-8193 disclosed?
Is CVE-2020-8193 actively exploited?
What is the CVSS score of CVE-2020-8193?
Which products are affected by CVE-2020-8193?
How do I remediate CVE-2020-8193?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-8193
Is Your Infrastructure Affected by CVE-2020-8193?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.