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Vulnerabilities

Vulnerability · CVE-2019-12985

Citrix SD-WAN and NetScaler Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Published Dec 5, 2023 · catalog updated Dec 5, 2023 · Citrix SD-WAN and NetScaler

Patch now

CVE-2019-12985 is in the CISA known-exploited catalog. Confirm Citrix SD-WAN and NetScaler against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
39.54%
Remediation
Remediation guidance
Affected products
vendor Citrix SD-WAN and NetScaler

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 1 of 6).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Citrix SD-WAN and NetScalerversion unspecified

How to fix CVE-2019-12985

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-12985 is in the CISA known-exploited catalog. Confirm Citrix SD-WAN and NetScaler against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 39.54%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 5, 2023 · VulnCheck KEV

    Detected

    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 1 of 6).

  2. Dec 5, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2019-12985

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-12985

    30-day exploitation probability 39.5%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2019-12985

    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 1 of 6).

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.