CVE-2020-8195
Improper input validation 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…
Browse: All 2020 CVEs · All vendors
- CVSS score
- 6.5 Medium
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- CISA KEV
- Yes — actively exploited (added 2021-11-03, remediation due 2022-05-03)
- Weakness (CWE)
- CWE-20, CWE-22
- Published
- 2020-07-10
- Last modified
- 2026-06-17
- NVD status
- Analyzed
Description
Improper input validation 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.
Affected products
- citrix application delivery controller firmware
- citrix netscaler gateway firmware
- citrix gateway firmware
- citrix sd-wan wanop
- citrix gateway plug-in for linux
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-03.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html
- https://support.citrix.com/article/CTX276688
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8195
FAQ
Is CVE-2020-8195 actively exploited?
Yes. CISA added CVE-2020-8195 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, with a federal remediation deadline of 2022-05-03. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2020-8195?
CVE-2020-8195 has a CVSS base score of 6.5 (Medium). Its vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Related vulnerabilities
- CVE-2020-8193 — Citrix Application Delivery Controller (AD
- CVE-2020-8196 — Citrix Application Delivery Controller (AD
- CVE-2019-19781 — Citrix Application Delivery Controller (AD
- CVE-2026-88779 — Citrix NetScaler
- CVE-2026-88772 — Citrix NetScaler
- CVE-2026-88771 — Citrix NetScaler
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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