# CVE-2020-15294

## Summary

- **CVE ID:** CVE-2020-15294
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-733
- **Published:** Dec 17, 2020
- **Last Modified:** Mar 14, 2026

## Description

Compiler Optimization Removal or Modification of Security-critical Code vulnerability in IntPeParseUnwindData() results in multiple dereferences to the same pointer. If the pointer is located in memory-mapped from the guest space, this may cause a race-condition where the generated code would dereference the same address twice, thus obtaining different values, which may lead to arbitrary code execution. This issue affects: Bitdefender Hypervisor Introspection versions prior to 1.132.2.

## Affected Products

- Bitdefender — Hypervisor Introspection (unspecified)

## References

- [CNA](https://www.bitdefender.com/support/security-advisories/compiler-optimization-removal-modification-security-critical-code-vulnerability-bitdefender-hypervisor-introspection-va-9339/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.06%
- **EPSS Percentile:** 19.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._