CVE-2021-42169
CVE-2021-42169 is a critical-severity vulnerability in Simple Payroll System With Dynamic Tax Bracket Project Simple Payroll System With Dynamic Tax Bracket with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Simple Payroll System With Dynamic Tax Bracket Project Simple Payroll System With Dynamic Tax Bracket
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-42169?
- 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.
- How severe is CVE-2021-42169?
- CVE-2021-42169 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-42169 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42169?
- CVE-2021-42169 affects Simple Payroll System With Dynamic Tax Bracket Project Simple Payroll System With Dynamic Tax Bracket. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-42169?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-42169 published?
- CVE-2021-42169 was published on 2021-10-22 and last updated on 2026-06-17.
References
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-21-100521
- https://www.exploit-db.com/exploits/50403
Affected products (1)
- cpe:2.3:a:simple_payroll_system_with_dynamic_tax_bracket_project:simple_payroll_system_with_dynamic_tax_bracket:1.0:*:*:*:*:*:*:*
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