# CVE-2024-9928: Auth bypass in NSD570 Teleprotection Equipment

> Attackers can brute-force login credentials on NSD570 equipment due to lack of attempt restrictions, leading to unauthorized system access.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:** 26 Nov 2024
- **Updated:** 26 Nov 2024
- **Also known as:** GHSA-22pf-6rh7-89gj

## What is CVE-2024-9928?

CVE-2024-9928 is a medium-severity authentication bypass vulnerability in Hitachi Energy NSD570 Teleprotection Equipment, published on 26 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability exists in NSD570 login panel that does not restrict excessive authentication attempts. If exploited, this could
cause account takeover and unauthorized access to the system
when an attacker conducts brute-force attacks against the
equipment login. Note that the system supports only one concurrent session and implements a delay of more than a second
between failed login attempts making it difficult to automate the
attacks.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2024-9928?


## How do I fix CVE-2024-9928?

No fix has been published for CVE-2024-9928 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-9928 being exploited?

There is no known exploitation of CVE-2024-9928 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-9928 and fix it if it is affected.

What it is: CVE-2024-9928 is a medium-severity authentication bypass vulnerability in Hitachi Energy NSD570 Teleprotection Equipment, published on 26 Nov 2024. 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-2024-9928 in the wild and no public exploit code.

Affected product: Hitachi Energy NSD570 Teleprotection Equipment. 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-2024-9928/ (Markdown: https://insights.sbomify.com/CVE-2024-9928/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-9928
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-9928
- OSV: https://osv.dev/vulnerability/CVE-2024-9928

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-9928/
Summaries are generated and may contain mistakes; the official description above is the record.