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CVE-2025-40897

Incorrect authorization for Threat Intelligence in Guardian/CMC before 26.0.0

Published: Apr 15, 2026Updated: May 12, 2026 Sources: CVE List NVD csafCWE-863
NVD MITRE
8.1CVSSHIGH
EPSS Score
0.3%
Top 76.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An access control vulnerability was discovered in the Threat Intelligence functionality due to a specific access restriction not being properly enforced for users with view-only privileges. An authenticated user with view-only privileges for the Threat Intelligence functionality can perform administrative actions on it, altering the rules configuration, and/or affecting their availability.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-863

Affected Products

GuardianNozomi Networks
On-premSecurity Product
Security Products / vuln-mgmt-scanner
CMCNozomi Networks
On-premSecurity Product
Security Products / vuln-mgmt-scanner
nozomi networkscommercialSecurity Productsaka nozomi networks

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://security.nozominetworks.com/NN-2026:1-01
security.nozominetworks.com
https://cert-portal.siemens.com/productcert/html/ssa-827968.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-827968.json
cert-portal.siemens.com
and 23 more references View all →

Timeline

Published
Apr 15, 2026
Last Updated
May 12, 2026

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