# CVE-2020-12501: Pepperl+Fuchs improper authorization affects multiple Comtrol RocketLinx products

> Attackers can gain unauthorized access to Pepperl+Fuchs RocketLinx switches using undocumented accounts, leading to potential device compromise.

- **Severity:** Critical 9.8 (`CVSS:3.1/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:** 15 Oct 2020
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xfr3-v749-v2r3

## What is CVE-2020-12501?

CVE-2020-12501 is a critical vulnerability in Korenix JetNet, published on 15 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, ES8510, ES8510-XTE, ES9528/ES9528-XT (all versions) use undocumented accounts.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2020-12501?

It affects 26 products.


Products: Korenix Jetnet4510 Firmware, Korenix Jetnet4706 Firmware, Korenix Jetnet4706f Firmware, Korenix Jetnet5010 Firmware, Korenix Jetnet5310 Firmware, Korenix Jetnet5428g-20sfp Firmware, Korenix Jetnet5810g Firmware, Korenix Jetnet6095 Firmware, Korenix Jetwave 2212g Firmware, Korenix Jetwave 2212s Firmware, Korenix Jetwave 2212x Firmware, Korenix Jetwave 2311 Firmware, Korenix Jetwave 3220 Firmware, Pepperl-Fuchs Es7506 Firmware, Pepperl-Fuchs Es7510-Xt Firmware, Pepperl-Fuchs Es7510 Firmware, Pepperl-Fuchs Es7528 Firmware, Pepperl-Fuchs Es8508 Firmware, Pepperl-Fuchs Es8508f Firmware, Pepperl-Fuchs Es8509-Xt Firmware and 6 more.

## How do I fix CVE-2020-12501?

No fix has been published for CVE-2020-12501 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-12501 being exploited?

There is no known exploitation of CVE-2020-12501 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-12501 and fix it if it is affected.

What it is: CVE-2020-12501 is a critical vulnerability in Korenix JetNet, published on 15 Oct 2020. 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-2020-12501 in the wild and no public exploit code.

Affected product: Korenix JetNet. 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-2020-12501/ (Markdown: https://insights.sbomify.com/CVE-2020-12501/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-12501
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-12501
- OSV: https://osv.dev/vulnerability/CVE-2020-12501

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-12501/
Summaries are generated and may contain mistakes; the official description above is the record.