Unauthenticated access-control bypass via crafted GET request
Published Jan 16, 2020 · Updated Aug 5, 2024
Authentication bypass in Siemens SCALANCE X switches allows remote attackers to read sensitive data or change device configuration. The web configuration interface applies access-control rules incorrectly when a GET request targets a specific, undisclosed URL. Network access to enabled web-based management is required; X204RNA versions before 3.2.7 and X-300 variants before 4.1.3 are affected.
Summary
What happened
Authentication bypass in Siemens SCALANCE X switches allows remote attackers to read sensitive data or change device configuration. The web configuration interface applies access-control rules incorrectly when a GET request targets a specific, undisclosed URL. Network access to enabled web-based management is required; X204RNA versions before 3.2.7 and X-300 variants before 4.1.3 are affected.
The record
- CVE
- CVE-2019-13933
- Published
- Jan 16, 2020
- Updated
- Aug 5, 2024
- Vendor
- Siemens
- Product
- SCALANCE X307-2 EEC (2x 230V)
- Classifications
- CWE-306, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 16, 2020CVE publishedPublication date reported by the CVE source.
- Aug 5, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=All versions < V4.1.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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