PatchTheCVECVE-2022-34836: Relative Path Traversal vulnerability in ABB Zenon 8.20 allows the user to access files on the Zenon system an
CVE-2022-34836 is a medium-severity flaw (CVSS 5.9) affecting zenon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Relative Path Traversal vulnerability in ABB Zenon 8.20 allows the user to access files on the Zenon system and user also can add own log messages and e.g., flood the log entries. An attacker who successfully exploit the vulnerability could access the Zenon runtime activities such as the start and stop of various activity and the last error code etc.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-34836?
zenon: upgrade to newer than 8.20. Exact commands for each OS are on this page.
Is CVE-2022-34836 being exploited?
CVE-2022-34836 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-34836 affect?
CVE-2022-34836 affects zenon. Severity is medium (CVSS 5.9). Relative Path Traversal vulnerability in ABB Zenon 8.20 allows the user to access files on the Zenon system and user also can add own log messages and e.g., flood the log entries. An attacker who successfully exploit the vulnerability could
How urgent is CVE-2022-34836?
Priority 33/100. No elevated risk signals yet.
Software pages
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