CVE intelligence and bounded remediation
CVE-2023-29104 — Siemens 6Gk1411-1Ac00 Firmware security vulnerability
A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions >= V2.0 < V2.1), SIMATIC Cloud Connect 7 CC716 (All versions >= V2.0 < V2.1). The filename in the upload feature of the web based management of the affected device is susceptible to a path traversal vulnerability. This could allow an authenticated privileged remote attacker to overwrite any file the Linux user `ccuser` has write access to, or to download any file the Linux user `ccuser` has read-only access to.
- Severity
- High
- CVSS
- 7.6 (3.1)
- Published
- 2023-05-09
- CISA KEV
- Not currently listed
- Ecosystem
- operating-system
- Weaknesses
- CWE-22
Affected products
- siemens / 6gk1411-1ac00_firmware / 2.0
- siemens / 6gk1411-5ac00_firmware / 2.0
Matched remediation archetype
Path traversal, unsafe upload, and file handling
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
- Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
- Review canonicalization and containment checks across supported operating systems and storage backends.
Remediate safely
- Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
- Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
- Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.
Authoritative sources
Complete CVE record and remediation plan
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