Is CVE-2019-12991 actively exploited?

CVE-2019-12991 has no public evidence of in-the-wild exploitation as of 2025-11-06.

What is the CVSS score for CVE-2019-12991?

CVE-2019-12991 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Patch guidance is available from citrix security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-12991.

2 products: citrix netscaler sd-wan, citrix 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 5 of 6).

Primary Vendor: CITRIX
Published: 7/16/2019
Last Modified: 11/6/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.