Threats / Citrix / CVE-2019-12989
CVE-2019-12989
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Citrix SD-WAN and NetScaler vulnerability
SQL injection vulnerability in Citrix SD-WAN and NetScaler SD-WAN allows attackers to execute arbitrary SQL commands, potentially compromising data integrity and confidentiality.
Verdict
Today item — known-exploited.
A SQL injection flaw in Citrix SD-WAN and NetScaler SD-WAN enables unauthenticated or authenticated attackers to manipulate database queries. This vulnerability has been actively exploited in the wild and poses significant risk to network infrastructure and sensitive data.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
180 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25).
Probability (EPSS)
EPSS 0.94352 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Citrix, SD-WAN and NetScaler. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-89 SQL Injection — weakness family: Injection.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft malicious SQL payloads in application input fields to break out of intended query logic.
Business
Attackers gain unauthorized database access, risking exposure of credentials, configuration data, and customer information stored in backend systems.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I execute arbitrary SQL commands to extract, modify, or delete records from the application database.
Business
Data integrity is compromised; operational records may be altered or destroyed, disrupting network management and audit trails.
3
Lateral reach — past segmentation narrative 3
Attacker
I leverage database access to escalate privileges or pivot to connected systems and network segments.
Business
The SD-WAN appliance becomes a foothold for lateral movement within the enterprise network, amplifying breach scope and impact.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05