CVE-2021-43510 json
SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the username field in login.php.
published 2022-02-01 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30440
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.5%
- EPSS 7.5% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the username field in login.php.
Exploit prediction
7.51% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Sourcecodester Simple Client Management System 1.0 - SQL Injection nuclei detection template
- r4hn1.medium.com https://r4hn1.medium.com/journey-to-first-two-cve-by-rahul-kalnarayan-307e2e87ee26 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/r4hn1/Simple-Client-Management-System-Exploit/blob/main/CVE-2021-43510 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
r4hn1.medium.com
/journey-to-first-two-cve-by-rahul-kalnarayan-307e2e87ee26
exploit, third-party-advisory
-
github.com
/r4hn1/Simple-Client-Management-System-Exploit/blob/main/CVE-2021-43510
exploit, third-party-advisory
Sources
- CVE List CVE-2021-43510
- NVD CVE-2021-43510
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