Home/CVE/Unauthenticated remote code execution with root privileges in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and 1
CVE

CVE-2020-8271

Unauthenticated remote code execution with root privileges in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and 1

Unauthenticated remote code execution with root privileges in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and 10.2.8.

CRITICAL · CVSS 9.8 EPSS 0.39296
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-23Relative Path Traversal
▤

Affected Products & Versions

3
citrix sd-wan>= 10.2.0 and < 10.2.8
citrix sd-wan>= 11.1.0 and < 11.1.2b
citrix sd-wan>= 11.2.0 and < 11.2.2
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Citrix SD-WAN Unauthenticated RCE (CVE-2020-8271)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · 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 NVD16 Nov 2020 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
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/CTX285061Vendor Advisory
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