---
id: CVE-2025-63913
title: >-
  An issue was discovered in OpenSBI 1.3 allowing attackers to cause a denial of
  service via crafted request to the SBI function #2 or the 'Find and configure
  a matching counter' function of SBI PMU extension.
summary: >-
  An issue was discovered in OpenSBI 1.3 allowing attackers to cause a denial of
  service via crafted request to the SBI function #2 or the 'Find and configure
  a matching counter' function of SBI PMU extension.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
published: '2026-07-27'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-63913'
references:
  - url: 'https://github.com/luojia65/opensbi-pmu2-crash'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.0046
epssPercentile: 0.37394
ingestedAt: '2026-09-09T16:14:05.510Z'
---

## Overview

An issue was discovered in OpenSBI 1.3 allowing attackers to cause a denial of service via crafted request to the SBI function #2 or the 'Find and configure a matching counter' function of SBI PMU extension.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.