CVE-2021-43506
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via...
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the password parameter in Login.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the password parameter in Login.php.
- Record
CVE-2021-43506- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the password parameter in Login.php.
- Record
CVE-2021-43506- Updated
- 2026-11-02
EUVDEUVD-2021-30436 No score
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the password parameter in Login.php.
- Record
EUVD-2021-30436- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mqg8-2637-hm62
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via...
An SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the password parameter in Login.php.
- Record
GHSA-mqg8-2637-hm62- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43506 is a critical vulnerability (CVSS 9.8) in Simple Client Management System Project Client Management System, published March 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.