Weakness · High
CWE-303: Incorrect Implementation of Authentication Algorithm
What it is
The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.
- Severity (our rating)
- High
- Likelihood of exploit
- Not rated by MITRE
- Introduced during
- Implementation
- Exploited in the wild
- 2 known exploited CVEs
In more detail
This incorrect implementation may allow authentication to be bypassed.
What an attacker can do
- Bypass Protection Mechanism (Access Control)
How to prevent it
MITRE lists no specific mitigation for this weakness. Treat it like its parent weaknesses below: validate input, keep the design simple and review the code where it could appear.
Exploited in the wild: 2 CVEs
Vulnerabilities caused by CWE-303 that attackers have used, from CISA's Known Exploited Vulnerabilities catalog, newest first.
H2 Security
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Start freeSource: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.