CVE-2020-15731: Local Privilege Escalation in Bitdefender Engines (VA-8953)

Severity: low (CVSS 3.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-30 · updated 2026-06-17
Weakness: CWE-20

Description

An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448.

Affected products

Bitdefender Engines: before 7.85448 — fixed in 7.85448

How to fix

Upgrade to a fixed version: Bitdefender Engines 7.85448. Check the vendor advisory for mitigations.

References

https://www.bitdefender.com/support/security-advisories/local-privilege-escalation-in-bitdefender-engines-va-8953
https://www.bitdefender.com/support/security-advisories/local-privilege-escalation-in-bitdefender-engines-va-8953

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