# CVE-2018-14826: Auth bypass in EMG12

> Attackers can bypass authentication via a crafted URL on the Entes EMG12 web interface, potentially leading to remote code execution.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Oct 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-r7r8-w5vh-j785

## What is CVE-2018-14826?

CVE-2018-14826 is a critical authentication bypass vulnerability in Entes EMG12, published on 2 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Entes EMG12 versions 2.57 and prior The application uses a web interface where it is possible for an attacker to bypass authentication with a specially crafted URL. This could allow for remote code execution.

Weakness: CWE-20 (Improper Input Validation), CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2018-14826?

It affects 1 product.


Products: Entes Emg-12 Firmware.

## How do I fix CVE-2018-14826?

No fix has been published for CVE-2018-14826 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-14826 being exploited?

There is no known exploitation of CVE-2018-14826 in the wild and no public exploit code.

## Other vulnerabilities in Entes EMG12

- [CVE-2018-14822](https://insights.sbomify.com/CVE-2018-14822/): Information disclosure in EMG12 (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-14826 and fix it if it is affected.

What it is: CVE-2018-14826 is a critical authentication bypass vulnerability in Entes EMG12, published on 2 Oct 2018. 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-2018-14826 in the wild and no public exploit code.

Affected product: Entes EMG12. 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-2018-14826/ (Markdown: https://insights.sbomify.com/CVE-2018-14826/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-14826
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-14826
- OSV: https://osv.dev/vulnerability/CVE-2018-14826

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-14826/
Summaries are generated and may contain mistakes; the official description above is the record.