CVE-2026-21807
LowCVSS 3.9Exploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
The HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow.
Risk Assessment
An attacker could exploit the buffer overflow to execute malicious code or cause a system crash, potentially compromising integrity and availability.
Recommendation
Apply vendor patches or restrict access to the application. Monitor the system for anomalies.
Other vulnerabilities in HCL BigFix Quantum Risk Analyzer
See all- CVE-2026-21808Medium
HCL BigFix Quantum Risk Analyzer generates highly detailed logging information by default, increasing the risk of sensitive data leakage and providing attackers with internal application logic and architectural details.
- CVE-2026-21810Medium
HCL BigFix Quantum Risk Analyzer is affected by a hardcoded external resource reference and a lack of binary integrity, which could allow an attacker to obtain sensitive information or modify the binary.
- CVE-2026-21809Low
HCL BigFix Quantum Risk Analyzer has a validation process that provides overly descriptive error messages when encountering malformed input, which can allow an attacker to conduct more efficient reconnaissance and fine-tune automated fuzzing tools.
Original NVD description (English source)
HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow.