CVE-2020-8195
CVE-2020-8195 is a medium-severity vulnerability in Citrix Gateway Plug-in For Linux with a CVSS 3.x base score of 6.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 33% (98th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
- EU (EUVD) id: EUVD-2020-29072
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
- Weakness: CWE-22
- Affected product: Citrix Gateway Plug-in For Linux
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.
- How severe is CVE-2020-8195?
- CVE-2020-8195 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-8195 being actively exploited?
- Yes. CVE-2020-8195 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2020-8195?
- CVE-2020-8195 primarily affects Citrix Gateway Plug-in For Linux. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-8195?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2020-8195 have an EU (EUVD) identifier?
- Yes. CVE-2020-8195 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-29072. It is also flagged as exploited in the EUVD (since 2021-11-03).
- When was CVE-2020-8195 published?
- CVE-2020-8195 was published on 2020-07-10 and last updated on 2026-06-17.
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
Affected products (5)
- cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:gateway_plug-in_for_linux:*:*:*:*:*:*:*:*
More vulnerabilities in Citrix Gateway Plug-in For Linux
- CVE-2020-8199 — High (CVSS 7.8): Improper access control in Citrix ADC Gateway Linux client versions before 1.0.0.137 results in local privilege…
All CVEs affecting Citrix Gateway Plug-in For Linux →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…