HOMEVULNERABILITIESCVE-2021-41492
CRITICAL

CVE-2021-41492

CWE-89Published: November 3, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Multiple SQL Injection vulnerabilities exist in Sourcecodester Simple Cashiering System (POS) 1.0 via the (1) Product Code in the pos page in cashiering. (2) id parameter in manage_products and the (3) t paramater in actions.php.

NVD Source

Technical Analysis

CVE-2021-41492 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

simple_cashiering_system_project1 product(s)
simple cashiering system
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://3xpl017.blogspot.com/2021/09/multiple-sql-injections-in.html
ADVISORYhttps://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41492
ADVISORYhttps://www.nu11secur1ty.com/2021/12/cve-2021-41492.html
ADVISORYhttps://3xpl017.blogspot.com/2021/09/multiple-sql-injections-in.html
ADVISORYhttps://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41492
ADVISORYhttps://www.nu11secur1ty.com/2021/12/cve-2021-41492.html

All References (6)

→
https://3xpl017.blogspot.com/2021/09/multiple-sql-injections-in.htmlThird Party Advisory
→
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41492Exploit · Third Party Advisory
→
https://www.nu11secur1ty.com/2021/12/cve-2021-41492.htmlExploit · Third Party Advisory
→
https://3xpl017.blogspot.com/2021/09/multiple-sql-injections-in.htmlThird Party Advisory
→
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41492Exploit · Third Party Advisory
→
https://www.nu11secur1ty.com/2021/12/cve-2021-41492.htmlExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2021-41492
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-89
CISA KEVNo
Affected1 vendor(s)
PublishedNov 3, 2021

Related CVEs (CWE-89)

CVE-2021-42313
10.0
CVE-2026-52887
10.0
CVE-2019-7003
10.0
CVE-2021-42311
10.0
CVE-2008-0735
10.0
CVE-2024-13152
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-41492 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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