Cyber Resilience

CVE-2024-2021

MediumPublic PoC

Published: 01 March 2024

Published
01 March 2024
Modified
21 January 2025
KEV Added
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Patch
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CVSS Score v3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0011 29.6th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-2021 is a medium-severity SQL Injection (CWE-89) vulnerability in Netentsec Application Security Gateway. Its CVSS base score is 6.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 29.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3. It has been classified as critical. Affected is an unknown function of the file /admin/list_localuser.php. The manipulation of the argument ResId leads to sql injection. It is possible to…

more

launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-255300. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)
CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1505 Server Software Component Persistence
Adversaries may abuse legitimate extensible development features of servers to establish persistent access to systems.
attack.mitre.org →
T1087.001 Local Account Discovery
Adversaries may attempt to get a listing of local system accounts.
attack.mitre.org →
T1213.006 Databases Collection
Adversaries may leverage databases to mine valuable information.
attack.mitre.org →
Why these techniques?

SQL injection in /admin/list_localuser.php enables exploitation of public-facing application (T1190), server software component abuse (T1505), local account discovery via user listing (T1087.001), and data from databases (T1213.006).

Affected Assets

netentsec
application security gateway
6.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

SI-10 Information Input Validation
addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

References