# CVE-2021-35621: Privilege escalation in MySQL Cluster

> A high-privileged attacker with physical network access can compromise MySQL Cluster, leading to full takeover of the database system.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 20 Oct 2021
- **Updated:** 25 Sep 2024
- **Also known as:** GHSA-fgg6-2764-r7pr, UBUNTU-CVE-2021-35621

## What is CVE-2021-35621?

CVE-2021-35621 is a medium-severity vulnerability in Netapp Active Iq Unified Manager, published on 20 Oct 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Cluster. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H).

## Which versions are affected by CVE-2021-35621?

It affects 5 products.


Products: Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Snapcenter, Oracle Mysql Cluster.

## How do I fix CVE-2021-35621?

Upgrade to a fixed version.

## Is CVE-2021-35621 being exploited?

There is no known exploitation of CVE-2021-35621 in the wild and no public exploit code.

## Other vulnerabilities in Netapp Active Iq Unified Manager

- [CVE-2022-31692](https://insights.sbomify.com/CVE-2022-31692/): Spring Security authorization rules can be bypassed via forward or include dispatcher types (critical 9.8)
- [CVE-2022-2526](https://insights.sbomify.com/CVE-2022-2526/): Use after free in systemd-resolved (critical 9.8)
- [CVE-2022-22978](https://insights.sbomify.com/CVE-2022-22978/): Authorization bypass in Spring Security (critical 9.8)
- [CVE-2021-22931](https://insights.sbomify.com/CVE-2021-22931/): Code injection in Node (critical 9.8)
- [CVE-2018-2938](https://insights.sbomify.com/CVE-2018-2938/): Code injection in Java (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-35621 and fix it if it is affected.

What it is: CVE-2021-35621 is a medium-severity vulnerability in Netapp Active Iq Unified Manager, published on 20 Oct 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-35621 in the wild and no public exploit code.

Affected product: Netapp Active Iq Unified Manager. 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-2021-35621/ (Markdown: https://insights.sbomify.com/CVE-2021-35621/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-35621
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-35621
- OSV: https://osv.dev/vulnerability/CVE-2021-35621

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-35621/
Summaries are generated and may contain mistakes; the official description above is the record.