Home/CVE/Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability
CVE

CVE-2020-8195

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability

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.

MEDIUM · CVSS 6.5 ⚠ CISA KEV EPSS 0.71723
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

14
citrix application delivery controller firmware>= 10.5 and < 10.5-70.18
citrix application delivery controller firmware>= 11.1 and < 11.1-64.14
citrix application delivery controller firmware>= 12.0 and < 12.0-63.21
citrix application delivery controller firmware>= 12.1 and < 12.1-57.18
citrix application delivery controller firmware>= 13.0 and < 13.0-58.30
citrix netscaler gateway firmware>= 10.5 and < 10.5-70.18
citrix netscaler gateway firmware>= 11.1 and < 11.1-64.14
citrix netscaler gateway firmware>= 12.0 and < 12.0-63.21
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Citrix-ADC-NetScaler-Local-File-Inclusion.htmlpacketstormsecurity.com
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Possible Citrix Information Disclosure Attempt Inbound (CVE-2020-8195)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jul 2020 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2020-8195
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.citrix.com/article/CTX276688Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8195US Government Resource
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