# CVE-2021-26725: Authenticated command path traversal on timezone settings in Guardian/CMC before 20.0.7.4

> An authenticated administrator can exploit a path traversal vulnerability in the timezone settings to read protected system files.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Feb 2021
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-4jgg-xq73-m9g4

## What is CVE-2021-26725?

CVE-2021-26725 is a high-severity path traversal vulnerability in Nozomi Networks CMC, published on 22 Feb 2021. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Path Traversal vulnerability when changing timezone using web GUI of Nozomi Networks Guardian, CMC allows an authenticated administrator to read-protected system files. This issue affects: Nozomi Networks Guardian 20.0.7.3 version 20.0.7.3 and prior versions. Nozomi Networks CMC 20.0.7.3 version 20.0.7.3 and prior versions.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), CWE-24 (Path Traversal: '../filedir')

## Which versions are affected by CVE-2021-26725?

It affects 2 products.


Products: Nozominetworks Central Management Control, Nozominetworks Guardian.

## How do I fix CVE-2021-26725?

No fix has been published for CVE-2021-26725 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-26725 being exploited?

There is no known exploitation of CVE-2021-26725 in the wild and no public exploit code.

## Other vulnerabilities in Nozomi Networks CMC

- [CVE-2021-26724](https://insights.sbomify.com/CVE-2021-26724/): Authenticated command injection when changing date settings or hostname in Guardian/CMC before 20.0.7.4 (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-26725 and fix it if it is affected.

What it is: CVE-2021-26725 is a high-severity path traversal vulnerability in Nozomi Networks CMC, published on 22 Feb 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-26725 in the wild and no public exploit code.

Affected product: Nozomi Networks CMC. 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-2021-26725/ (Markdown: https://insights.sbomify.com/CVE-2021-26725/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-26725
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-26725
- OSV: https://osv.dev/vulnerability/CVE-2021-26725

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-26725/
Summaries are generated and may contain mistakes; the official description above is the record.