# CVE-2022-34836: ABB Ability TM Operations Data Management Zenon Zenon Log Server file access control

> An attacker can exploit relative path traversal to access sensitive system files and inject log entries in ABB Zenon Log Server.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Aug 2022
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-6xw9-67rg-3fpv

## What is CVE-2022-34836?

CVE-2022-34836 is a medium-severity path traversal vulnerability in ABB Zenon, published on 24 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

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.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), CWE-23 (Relative Path Traversal)

## Which versions are affected by CVE-2022-34836?

It affects 1 product.


Products: Abb Zenon.

## How do I fix CVE-2022-34836?

No fix has been published for CVE-2022-34836 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-34836 being exploited?

There is no known exploitation of CVE-2022-34836 in the wild and no public exploit code.

## Other vulnerabilities in ABB Zenon

- [CVE-2022-34838](https://insights.sbomify.com/CVE-2022-34838/): ABB Ability TM Operations Data Management Zenon Zenon Log Server file access control (high 8.1)
- [CVE-2023-3321](https://insights.sbomify.com/CVE-2023-3321/): Code Execution through Writable Mosquitto Configuration File (high 7.0)
- [CVE-2023-3322](https://insights.sbomify.com/CVE-2023-3322/): Code Execution through overwriting service executable in utilities directory (high 7.0)
- [CVE-2023-3324](https://insights.sbomify.com/CVE-2023-3324/): Insecure deserialization in zenon internal DLLs (medium 6.3)
- [CVE-2022-34837](https://insights.sbomify.com/CVE-2022-34837/): ABB Ability TM Operations Data Management Zenon Zenon Log Server file access control (medium 6.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-34836 and fix it if it is affected.

What it is: CVE-2022-34836 is a medium-severity path traversal vulnerability in ABB Zenon, published on 24 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-34836 in the wild and no public exploit code.

Affected product: ABB Zenon. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-34836/ (Markdown: https://insights.sbomify.com/CVE-2022-34836/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-34836
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-34836
- OSV: https://osv.dev/vulnerability/CVE-2022-34836

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-34836/
Summaries are generated and may contain mistakes; the official description above is the record.