# CVE-2017-18213: Privilege escalation in n/a

> Admin users in Exponent CMS can elevate their privileges, allowing unauthorized access to higher-level system functions.

- **Severity:** High 7.2 (`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Mar 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-7j4g-23pf-vp65

## What is CVE-2017-18213?

CVE-2017-18213 is a high-severity vulnerability in Exponentcms Exponent Cms, published on 4 Mar 2018. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

In Exponent CMS before 2.4.1 Patch #6, certain admin users can elevate their privileges.

## Which versions are affected by CVE-2017-18213?

It affects 1 product.


Products: Exponentcms Exponent Cms.

## How do I fix CVE-2017-18213?

No fix has been published for CVE-2017-18213 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-18213 being exploited?

There is no known exploitation of CVE-2017-18213 in the wild and no public exploit code.

## Other vulnerabilities in Exponentcms Exponent Cms

- [CVE-2016-9021](https://insights.sbomify.com/CVE-2016-9021/): Exponent CMS before 2.6.0 has improper input validation in storeController.php. (critical 9.8)
- [CVE-2016-9022](https://insights.sbomify.com/CVE-2016-9022/): Other in n/a (critical 9.8)
- [CVE-2016-9023](https://insights.sbomify.com/CVE-2016-9023/): Other in n/a (critical 9.8)
- [CVE-2016-9025](https://insights.sbomify.com/CVE-2016-9025/): Other in n/a (critical 9.8)
- [CVE-2016-9026](https://insights.sbomify.com/CVE-2016-9026/): File upload in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-18213 and fix it if it is affected.

What it is: CVE-2017-18213 is a high-severity vulnerability in Exponentcms Exponent Cms, published on 4 Mar 2018. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-18213 in the wild and no public exploit code.

Affected product: Exponentcms Exponent Cms. 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-2017-18213/ (Markdown: https://insights.sbomify.com/CVE-2017-18213/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-18213
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-18213
- OSV: https://osv.dev/vulnerability/CVE-2017-18213

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-18213/
Summaries are generated and may contain mistakes; the official description above is the record.