CVE-2021-32704Network attack vector

Arbitrary SQL execution via assignedUser parameter injection

Published Jun 24, 2021 · Updated Aug 3, 2024

SQL injection in the DHIS2 Core Tracker API allows remote authenticated users to read, edit, and delete instance data. The /api/trackedEntityInstances endpoint passes the attacker-controlled assignedUser URL parameter into an SQL query without neutralizing SQL syntax. Exploitation requires a logged-in DHIS2 account and deliberate requests to the Tracker endpoint, permitting arbitrary SQL commands against the backing database.

CVSS severity8.5
High
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in the DHIS2 Core Tracker API allows remote authenticated users to read, edit, and delete instance data. The /api/trackedEntityInstances endpoint passes the attacker-controlled assignedUser URL parameter into an SQL query without neutralizing SQL syntax. Exploitation requires a logged-in DHIS2 account and deliberate requests to the Tracker endpoint, permitting arbitrary SQL commands against the backing database.

The record

CVE
CVE-2021-32704
Published
Jun 24, 2021
Updated
Aug 3, 2024
Vendor
DHIS2
Product
DHIS2 Core
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 24, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 2.34.4, < 2.34.5
  2. Affected versionversion=>= 2.35.2, < 2.35.5
  3. Affected versionversion=>= 2.36.0, < 2.36.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

DHIS2 · DHIS2 Coreversion=>= 2.34.4, < 2.34.5; version=>= 2.35.2, < 2.35.5; version=>= 2.36.0, < 2.36.1

Published CVSS scores

8.5GitHubCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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