CVE-2021-34594
Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.3.48.0, 3.2.0.19423
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system.
Timeline
- CVE published
- Record last updated
Affected versions
- Beckhoff Automation TwinCAT OPC UA Server
From TF6100 · fixed in 4.3.48.0; From TS6100 · fixed in 4.3.48.0; fixed in 3.2.0.19423