← Vulnerability feed

Vulnerability record · CVE-2019-12986 · published 16 July 2019

CVE-2019-12986: Citrix netscaler sd-wan os command injection vulnerability

Citrix · Netscaler Sd Wan

Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 2 of 6).

9.8 CVSS 3.0 Critical EPSS 40% · top 1.4% CWE-78 · OS command injection
9.8CVSS 3.0 base score, v2 10.0
40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 2 of 6).

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/109133 Third Party AdvisoryVDB Entry
https://support.citrix.com/article/CTX251987 Vendor Advisory
https://www.tenable.com/security/research/tra-2019-31 ExploitThird Party Advisory
http://www.securityfocus.com/bid/109133 Third Party AdvisoryVDB Entry
https://support.citrix.com/article/CTX251987 Vendor Advisory
https://www.tenable.com/security/research/tra-2019-31 ExploitThird Party Advisory

Track CVE-2019-12986 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-12989Citrix SD-WAN and NetScaler SD-WAN SQL injectionCitrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 are vulnerable to SQL injection. The flaw is remotely reachable without …KEVEPSS 95%analysed9.8CVE-2017-6316Citrix NetScaler SD-WAN cookie flaw allows root command executionCitrix NetScaler SD-WAN devices through v9.1.2.26.561201 accept a crafted CGISESSID cookie (CAKEPHP on older CloudBridge devices) that lets a remote …KEVEPSS 73%analysed8.8CVE-2019-12991Citrix SD-WAN and NetScaler SD-WAN command injection via input validation flawCitrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 fail to properly validate input, allowing OS command injection (CWE-78).…KEVEPSS 74%analysed9.8CVE-2020-8271Citrix sd-wan relative path traversal vulnerabilityUnauthenticated remote code execution with root privileges in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and 10.2.8EPSS 11%9.8CVE-2019-12990Citrix netscaler sd-wan path traversal vulnerabilityCitrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 allow Directory Traversal.EPSS 39%9.8CVE-2019-12985Citrix netscaler sd-wan os command injection vulnerabilityCitrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 1 of 6).EPSS 40%9.8CVE-2019-12987Citrix netscaler sd-wan os command injection vulnerabilityCitrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 3 of 6).EPSS 43%9.8CVE-2019-12988Citrix netscaler sd-wan os command injection vulnerabilityCitrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 4 of 6).EPSS 43%

Source: NIST National Vulnerability Database (record CVE-2019-12986), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.