CVE-2021-42169 json
The Simple Payroll System with Dynamic Tax Bracket in PHP using SQLite Free Source Code (by: oretnom23 ) is vulnerable from remote SQL-Inje…
published 2021-10-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29152
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
The Simple Payroll System with Dynamic Tax Bracket in PHP using SQLite Free Source Code (by: oretnom23 ) is vulnerable from remote SQL-Injection-Bypass-Authentication for the admin account. The parameter (username) from the login form is not protected correctly and there is no security and escaping from malicious payloads.
Exploit prediction
2.83% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-21-100521 referenced PoC, tagged "exploit" by a source, unverified
- exploit-db.com https://www.exploit-db.com/exploits/50403 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
-
github.com
/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-21-100521
exploit, third-party-advisory
-
exploit-db.com
/exploits/50403
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-42169
- NVD CVE-2021-42169
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.