CVE-2025-0287

medium

Description

Various Paragon Software products contain a null pointer dereference vulnerability within biontdrv.sys that is caused by a lack of a valid MasterLrp structure in the input buffer, allowing an attacker to execute arbitrary code in the kernel, facilitating privilege escalation.

References

References
More

https://www.securityweek.com/vulnerable-paragon-driver-exploited-in-ransomware-attacks/

https://thehackernews.com/2025/03/hackers-exploit-paragon-partition.html

https://www.bleepingcomputer.com/news/security/ransomware-gangs-exploit-paragon-partition-manager-bug-in-byovd-attacks/

https://securityaffairs.com/174789/cyber-crime/ransomware-gangs-paragon-partition-manager-biontdrv-sys-driver-zero-day-attacks.html

https://kb.cert.org/vuls/id/726882

https://www.paragon-software.com/support/#patches

https://www.kb.cert.org/vuls/id/726882

https://paragon-software.zendesk.com/hc/en-us/articles/32993902732817-IMPORTANT-Paragon-Driver-Security-Patch-for-All-Products-of-Hard-Disk-Manager-Product-Line-Biontdrv-sys

Details

Source: Mitre, NVD

Published: 2025-03-03

Updated: 2025-04-14

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 5.1

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00016