CWE-287: Improper Authentication

low-risk

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Abstraction: Class

Common Consequences

Integrity Read Application Data

Detection Methods

Automated Static Analysis

Automated static analysis is useful for detecting certain types of authentication. A tool may be able to analyze related configuration files, such as .htaccess in Apache web servers, or detect the usage of commonly-used authentication libraries. Generally, automated static analysis tools have difficulty detecting custom authentication schemes. In addition, the software's design may include some functionality that is accessible to any user and does not require an established identity; an automated technique that detects the absence of authentication may report false positives.

Manual Static Analysis

This weakness can be detected using tools and techniques that require manual (human) analysis, such as penetration testing, threat modeling, and interactive tools that allow the tester to record and modify an active session. Manual static analysis is useful for evaluating the correctness of custom authentication mechanisms.

Manual Static Analysis - Binary or Bytecode

According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Binary / Bytecode disassembler - then use manual analysis for vulnerabilities & anomalies

Dynamic Analysis with Automated Results Interpretation

According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Web Application Scanner Web Services Scanner Database Scanners

Dynamic Analysis with Manual Results Interpretation

According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Fuzz Tester Framework-based Fuzzer

Manual Static Analysis - Source Code

According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Manual Source Code Review (not inspections)

Automated Static Analysis - Source Code

According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Source code Weakness Analyzer Context-configured Source Code Weakness Analyzer

Automated Static Analysis

According to SOAR [REF-1479], the following detection techniques may be useful: Cost effective for partial coverage: Configuration Checker

Architecture or Design Review

According to SOAR [REF-1479], the following detection techniques may be useful: Highly cost effective: Inspection (IEEE 1028 standard) (can apply to requirements, design, source code, etc.) Formal Methods / Correct-By-Construction

Real-World Examples (10)

CVE CVSS EPSS KEV
CVE-2023-35078 9.8 94.5% Y
CVE-2023-35078 9.8 94.5% Y
CVE-2024-7593 9.8 94.4% Y
CVE-2024-7593 9.8 94.4% Y
CVE-2022-40684 9.8 94.4% Y
CVE-2022-40684 9.8 94.4% Y
CVE-2023-35082 9.8 94.4% Y
CVE-2020-0688 8.8 94.4% Y
CVE-2020-0688 8.8 94.4% Y
CVE-2023-46805 8.2 94.4% Y
17
/ 100
low-risk
Active Threat 14/50 · Low
Exploit Availability 3/50 · Minimal