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CVE-2025-45006

22
FAUCET Score

CVE-2025-45006 describes a critical vulnerability in an Open-Source RISC-V Processor (commit f517abb) where the mstatus.SUM bit is improperly retained, violating privileged specification constraints. This flaw could allow an unauthenticated attacker to gain unauthorized physical memory access. With a CVSS score of 9.1 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to high confidentiality and availability impacts. Currently, there is no evidence of active exploitation, nor are there any public exploit codes or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
N/AN/A
n/aCNA affected

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 9th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / chipsalliance/rocket-chip.git
github.com / heyfenny/Vulnerability_disclosure/blob/main/RISCV/Rocket-chip/CVE-2025-45006/details.md
lf-riscv.atlassian.net / wiki/spaces/HOME/pages/16154769/RISC-V+Technical+Specifications