CVE-2024-3691Public exploitNetwork attack vector

Unauthenticated code execution via registration email SQL injection

Published Apr 12, 2024 · Updated Aug 12, 2024

SQL injection in the Registration Page of Small CRM 3.0 allows remote attackers to execute SQL through the email field. The registration handler incorporates the email value into an SQL statement without validation or parameter binding, enabling UNION SELECT INTO OUTFILE. The public registration page requires no account; web-shell execution additionally depends on MySQL file-write privileges and a writable webroot.

CVSS severity7.3
High
EPSS probability0.92%
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 Registration Page of Small CRM 3.0 allows remote attackers to execute SQL through the email field. The registration handler incorporates the email value into an SQL statement without validation or parameter binding, enabling UNION SELECT INTO OUTFILE. The public registration page requires no account; web-shell execution additionally depends on MySQL file-write privileges and a writable webroot.

The record

CVE
CVE-2024-3691
Published
Apr 12, 2024
Updated
Aug 12, 2024
Vendor
jaychouchannel
Product
Small CRM
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 12, 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=3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

jaychouchannel · Small CRMversion=3.0

Published CVSS scores

7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

Public exploit references

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Technologies

Your stack

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Your stack

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