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CVE-2019-12991Citrix SD-WAN and NetScaler Command Injection Vulnerability

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).

8.8 HIGHEPSS 74.06%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:15 UTC

OverviewCVSS details

8.8HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Jul 16, 2019
Assigner: mitre

Affected

netscaler sd-wan (citrix)

Versions: 10.0.0 before 10.0.8
Fixed in: 10.0.8

+1 more product →

Exploitation

Public exploit: Yes · 2 references
CISA KEV: Listed · Mar 25, 2022
KEV due date: Apr 15, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 9

74.06%chance of exploitation in 30 days

Higher than 99.48% of CVEs

CVSS 3.1 · NVD

8.8High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

9.0High

AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack vector: Network
Attack complexity: Low
Authentication: Single
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

Overview

Severity

Score	Severity	Version	Vector String
8.8	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.0	HIGH	2.0NVD	AV:N/AC:L/Au:S/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Apr 15, 2022

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Details

CVE ID: CVE-2019-12991
Status: Analyzed
Assigner (CNA): mitre
Published: Jul 16, 2019
Last modified: 2026-06-17 02:15 UTC
Weaknesses: CWE-78

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 14:44 UTC.