# CVE-2021-26686: SQL injection in Aruba ClearPass Policy Manager

> Authenticated attackers can exploit SQL injection in the web interface to read and modify sensitive database information in Aruba ClearPass.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Feb 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-c73q-37qc-p5j8

## What is CVE-2021-26686?

CVE-2021-26686 is a medium-severity SQL injection vulnerability in Arubanetworks Clearpass Policy Manager, published on 23 Feb 2021. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A remote authenticated SQL Injection vulnerabilitiy was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in the web-based management interface API of ClearPass could allow an authenticated remote attacker to conduct SQL injection attacks against the ClearPass instance. An attacker could exploit this vulnerability to obtain and modify sensitive information in the underlying database.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-26686?

It affects 1 product.


Products: Arubanetworks Clearpass Policy Manager.

## How do I fix CVE-2021-26686?

No fix has been published for CVE-2021-26686 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-26686 being exploited?

There is no known exploitation of CVE-2021-26686 in the wild and no public exploit code.

## Other vulnerabilities in Arubanetworks Clearpass Policy Manager

- [CVE-2022-23657](https://insights.sbomify.com/CVE-2022-23657/): Auth bypass in Aruba ClearPass Policy Manager (critical 10.0)
- [CVE-2022-23658](https://insights.sbomify.com/CVE-2022-23658/): Auth bypass in Aruba ClearPass Policy Manager (critical 10.0)
- [CVE-2022-23660](https://insights.sbomify.com/CVE-2022-23660/): Auth bypass in Aruba ClearPass Policy Manager (critical 10.0)
- [CVE-2023-25589](https://insights.sbomify.com/CVE-2023-25589/): Unauthenticated Arbitrary User Creation Leads to Complete System Compromise (critical 9.8)
- [CVE-2021-37736](https://insights.sbomify.com/CVE-2021-37736/): Auth bypass in Aruba ClearPass Policy Manager (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-26686 and fix it if it is affected.

What it is: CVE-2021-26686 is a medium-severity SQL injection vulnerability in Arubanetworks Clearpass Policy Manager, published on 23 Feb 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-26686 in the wild and no public exploit code.

Affected product: Arubanetworks Clearpass Policy 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-2021-26686/ (Markdown: https://insights.sbomify.com/CVE-2021-26686/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-26686
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-26686
- OSV: https://osv.dev/vulnerability/CVE-2021-26686

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-26686/
Summaries are generated and may contain mistakes; the official description above is the record.