Summary
Nozomi Networks has published information on vulnerabilities in Nozomi Guardian/CMC. This advisory lists the related Siemens Industrial products affected by these vulnerabilities.
Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.
Vulnerabilities 17
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High 8.9
Stored Cross-Site Scripting (XSS) in Reports in Guardian/CMC before 25.5.0
A Stored Cross-Site Scripting vulnerability was discovered in the Reports functionality due to improper validation of an input parameter. An authenticated user with report privileges can define a malicious report containing a JavaScript payload, or a victim c…
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High 8.9
Stored Cross-Site Scripting (XSS) in Assets and Nodes in Guardian/CMC before 26.0.0
A Stored Cross-Site Scripting vulnerability was discovered in the Assets and Nodes functionality due to improper validation of an input parameter. An authenticated user with custom fields privileges can define a malicious custom field containing a JavaScript …
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High 8.1
Incorrect authorization for Threat Intelligence in Guardian/CMC before 26.0.0
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 Intell…
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High 8.1
Path traversal in Import Arc data archive functionality in Guardian/CMC before 25.5.0
A path traversal vulnerability was discovered in the Import Arc data archive functionality due to insufficient validation of the input file. An authenticated user with limited privileges, by uploading a specifically-crafted Arc data archive, can potentially w…
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High 8.1
Incorrect privilege assignment for Arc sensors in Guardian/CMC before 26.2.0
An Incorrect Privilege Assignment vulnerability was discovered in the synchronization functionality due to Arc sensors receiving CLI permissions. An authenticated user with limited privileges can push administrative CLI commands through the sync, altering the…
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High 7.5
DoS through oversized audit log entries in Guardian/CMC before 26.2.0
A denial-of-service vulnerability caused by unbounded resource allocation was discovered in the audit logging functionality, due to a missing size limit on input recorded into audit entries. An unauthenticated attacker can submit requests containing excessive…
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High 7.1
Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0
An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthenticated attacker can craft a request to the SAML sign-in endpoint and poison the cache…
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Medium 6.5
HTML injection in Smart Polling in Guardian/CMC before 26.1.0
A Stored HTML Injection vulnerability was discovered in the Smart Polling functionality due to improper validation of an input parameter. An authenticated user with limited privileges can push malicious remote strategies containing HTML tags through the sync.…
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Medium 6.1
HTML injection in Asset List in Guardian/CMC before 25.5.0
A Stored HTML Injection vulnerability was discovered in the Asset List functionality due to improper validation of network traffic data. An unauthenticated attacker can send specially crafted network packets to inject HTML tags into asset attributes. When a v…
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Medium 5.9
HTML injection in Credentials Manager in Guardian/CMC before 26.1.0
A Stored HTML Injection vulnerability was discovered in the Credentials Manager functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can define a malicious identity containing HTML tags. When a v…
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Medium 5.9
HTML injection in Users in Guardian/CMC before 26.1.0
A Stored HTML Injection vulnerability was discovered in the Users functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can create a malicious user whose username contains HTML tags. When a victim…
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Medium 5.9
HTML injection in Schedule Restore Archive in Guardian/CMC before 26.1.0
A Stored HTML Injection vulnerability was discovered in the Schedule Restore Archive functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can define a malicious restore schedule containing HTML t…
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Medium 5.9
HTML injection in Diagram tab and Graph view in Guardian/CMC before 26.2.0
A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS co…
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Medium 5.3
Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0
A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, thei…
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Medium 4.7
HTML injection in in Time Machine functionality in Guardian/CMC before 25.5.0
A Stored HTML Injection vulnerability was discovered in the Time Machine Snapshot Diff functionality due to improper validation of network traffic data. An unauthenticated attacker can send specially crafted network packets at two different times to inject HT…
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Medium 4.6
Angular template injection in Reports in Guardian/CMC before 26.1.0
An Angular template injection vulnerability was discovered in the Reports functionality due to improper validation of an input parameter. An authenticated user with report privileges can define a malicious report containing an Angular template payload, or a v…
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Medium 4.4
HTML injection in Alerted Nodes Dashboard in Guardian/CMC before 25.6.0
A Stored HTML Injection vulnerability was discovered in the Alerted Nodes Dashboard functionality due to improper validation on an input parameter. A malicious authenticated user with the required privileges could edit a node label to inject HTML tags. If the…
Revision history
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#5
Added CVE-2026-31981, CVE-2026-31982, CVE-2026-31983, CVE-2026-31984 and CVE-2026-33390
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#4
Added CVE-2025-40900, CVE-2025-40901, CVE-2025-40902, CVE--2025-40903 and CVE-2025-40904
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#3
Added CVE-2025-40897 and CVE-2025-40899
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#2
Added CVE-2025-40894
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#1
Publication Date
References
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SSA-827968: Vulnerability in Nozomi Guardian/CMC Before V26.2.0 on RUGGEDCOM APE1808 Devices - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-827968.html