Authorization Bypass via User-Controlled Keys in ABB T-MAC

Authorization bypass through User-Controlled key vulnerability in ABB T-MAC Plus. This issue affects T-MAC Plus: 4.0-24.

Casky was already ahead

This CVE exploits attack patterns that Casky's 261matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2025-14772 is an authorization bypass vulnerability in ABB T-MAC Plus versions 4.0-24 that allows attackers to manipulate user-controlled cryptographic keys to circumvent access controls. This CWE-639 weakness is particularly dangerous in industrial control environments where T-MAC Plus manages critical authentication and authorization decisions. Organizations running affected versions face immediate risk of unauthorized access to sensitive system functions, potentially enabling lateral movement, data exfiltration, and operational technology compromise without requiring valid credentials.

Casky's 261 matching skills detect the attack patterns underlying this vulnerability by mapping to MITRE ATT&CK Privilege Escalation (TA0004) and Credential Access (TA0006) techniques. Practitioners using Casky would identify suspicious patterns including anomalous key generation sequences, unauthorized privilege elevation attempts following key manipulation, and authentication anomalies that bypass normal validation chains. Claude's extended reasoning capabilities correlate multiple indicators—such as unusual cryptographic key formats, failed authorization checks followed by successful access, and patterns inconsistent with legitimate T-MAC Plus operations—to surface the authorization bypass mechanics. Security teams would see findings highlighting where user-supplied key material is processed without proper validation, enabling them to trace attack paths and prioritize remediation before exploitation occurs.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

261 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2025-14772.

analyzing-cloud-storage-access-patterns

cloud security · low

Run

analyzing-kubernetes-audit-logs

container security · low

Run

analyzing-malicious-url-with-urlscan

phishing defense · medium

Run

MITRE ATT&CK Techniques

TA0004 TA0006

Investigate the attack patterns behind CVE-2025-14772

Casky has 261 skills that investigate the attack patterns behind CVE-2025-14772. Run one and get CVSS-scored findings in 3 minutes.

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