CVE-2026-94293: CWE-306 Missing Authentication for Critical Function in Murrelektronik Software AAS Edge Client all versions
Description
An unauthenticated remote attacker can modify Asset Administration Shell submodel data via PATCH requests and can read all data exposed by the GET endpoints.
CVSS v4.0
Score 9.3critical
Affected software
Murrelektronik
Software AAS Edge Client all versions
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) in Murrelektronik Software AAS Edge Client enables unauthenticated remote attackers to perform unauthorized modifications and data access. Specifically, attackers can modify submodel data through PATCH requests and read all data accessible via GET endpoints without any authentication. The CVSS 4.0 score is 9.3, indicating a critical severity with network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker can remotely and without authentication modify critical submodel data and read all exposed data, potentially leading to unauthorized data manipulation and disclosure. This compromises the integrity and confidentiality of the system's Asset Administration Shell data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor the vendor's communications for updates. Until a fix is available, restricting network access to the affected service and implementing external authentication controls where possible may reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERTVDE
- Date Reserved
- 2026-09-21T09:39:23.739Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ac49d542cdf04f656880616
Added to database: 10/06/2026, 07:03:48 UTC
Last enriched: 10/06/2026, 07:18:10 UTC
Last updated: 10/06/2026, 18:57:28 UTC
Views: 23
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.