# CVE-2017-7420: Auth bypass in Micro Focus Enterprise Developer, Micro Focus Enterprise Server

> Remote unauthenticated attackers can bypass authentication to view and alter configuration information and the state of the running product.

- **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:** 21 Aug 2017
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-mh7j-5vww-cqrw

## What is CVE-2017-7420?

CVE-2017-7420 is a critical authentication bypass vulnerability in Micro Focus Enterprise Developer, Micro Focus Enterprise Server, published on 21 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An Authentication Bypass (CWE-287) vulnerability in ESMAC (aka Enterprise Server Monitor and Control) in Micro Focus Enterprise Developer and Enterprise Server 2.3 and earlier, 2.3 Update 1 before Hotfix 8, and 2.3 Update 2 before Hotfix 9 allows remote unauthenticated attackers to view and alter configuration information and alter the state of the running product (CWE-275).

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2017-7420?

It affects 3 products.


Products: Microfocus Enterprise Developer, Microfocus Enterprise Server, Microfocus Enterprise Server Monitor and Control.

## How do I fix CVE-2017-7420?

No fix has been published for CVE-2017-7420 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-7420 being exploited?

There is no known exploitation of CVE-2017-7420 in the wild and no public exploit code.

## Other vulnerabilities in Micro Focus Enterprise Developer, Micro Focus Enterprise Server

- [CVE-2020-9523](https://insights.sbomify.com/CVE-2020-9523/): Information disclosure in Enterprise developer and server. (high 8.8)
- [CVE-2017-7423](https://insights.sbomify.com/CVE-2017-7423/): Cross-site request forgery in Micro Focus Enterprise Developer, Micro Focus Enterprise Server (high 8.8)
- [CVE-2018-12469](https://insights.sbomify.com/CVE-2018-12469/): Null dereference in Micro Focus Enterprise Developer, Micro Focus Enterprise Server (high 7.5)
- [CVE-2017-7424](https://insights.sbomify.com/CVE-2017-7424/): Path traversal in Micro Focus Enterprise Developer, Micro Focus Enterprise Server (medium 6.5)
- [CVE-2019-11651](https://insights.sbomify.com/CVE-2019-11651/): Cross-site scripting in Micro Focus Enterprise Developer and Enterprise Server (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-7420 and fix it if it is affected.

What it is: CVE-2017-7420 is a critical authentication bypass vulnerability in Micro Focus Enterprise Developer, Micro Focus Enterprise Server, published on 21 Aug 2017. 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-2017-7420 in the wild and no public exploit code.

Affected product: Micro Focus Enterprise Developer, Micro Focus Enterprise Server. 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-2017-7420/ (Markdown: https://insights.sbomify.com/CVE-2017-7420/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-7420
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-7420
- OSV: https://osv.dev/vulnerability/CVE-2017-7420

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-7420/
Summaries are generated and may contain mistakes; the official description above is the record.