# CVE-2016-4501: Auth bypass in n/a

> Remote attackers can bypass authentication to make arbitrary configuration changes on ESC 8832 Data Controllers.

- **Severity:** Critical 9.1 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 May 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-7m82-m7x6-rvmx

## What is CVE-2016-4501?

CVE-2016-4501 is a critical authentication bypass vulnerability in n/a, published on 31 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier mishandles sessions, which allows remote attackers to bypass authentication and make arbitrary configuration changes via unspecified vectors.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2016-4501?

It affects 1 product.


Products: Envirosys Esc 8832 Data Controller.

## How do I fix CVE-2016-4501?

No fix has been published for CVE-2016-4501 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-4501 being exploited?

There is no known exploitation of CVE-2016-4501 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2016-4502](https://insights.sbomify.com/CVE-2016-4502/): Auth bypass in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-4501 and fix it if it is affected.

What it is: CVE-2016-4501 is a critical authentication bypass vulnerability in n/a, published on 31 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-4501 in the wild and no public exploit code.

Affected product: n/a. 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-2016-4501/ (Markdown: https://insights.sbomify.com/CVE-2016-4501/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-4501
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-4501
- OSV: https://osv.dev/vulnerability/CVE-2016-4501

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-4501/
Summaries are generated and may contain mistakes; the official description above is the record.