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High 8.8Known exploited (CISA KEV)Published Jul 16, 2019
CVE-2019-12991Citrix 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).
Updated under an hour ago ()
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It affects citrix netscaler_sd-wan and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 25, 2022; federal agencies had to remediate by Apr 15, 2022. Treat that date as your deadline.
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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).
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Mar 25, 2022; federal remediation due Apr 15, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 74.46% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
citrix netscaler_sd-wan citrix:netscaler_sd-wan | from 10.0.0 before 10.0.8 | NVD |
citrix sd-wan citrix:sd-wan | from 10.2.0 before 10.2.3 | NVD |
References
- https://www.tenable.com/security/research/tra-2019-32x-refsource-misc, exploit, third-party-advisory
- http://www.securityfocus.com/bid/109133vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- http://packetstormsecurity.com/files/153638/Citrix-SD-WAN-Appliance-10.2.2-Authentication-Bypass-Remote-Command-Execution.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://support.citrix.com/article/CTX251987x-refsource-misc, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-12991us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.