# CVE-2023-30762: Auth bypass in KB-AHR series and KB-IRIP series

> Attackers can bypass authentication to execute arbitrary OS commands or alter device settings on KB Device DVR and NVR units.

- **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:** 13 Jun 2023
- **Updated:** 3 Jan 2025
- **Also known as:** GHSA-h6j7-2w2f-q5rm

## What is CVE-2023-30762?

CVE-2023-30762 is a critical authentication bypass vulnerability in KbDevice,Inc. KB-AHR series and KB-IRIP series, published on 13 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper authentication vulnerability exists in KB-AHR series and KB-IRIP series. If this vulnerability is exploited, an arbitrary OS command may be executed on the product or the device settings may be altered. Affected products and versions are as follows: KB-AHR04D versions prior to 91110.1.101106.78, KB-AHR08D versions prior to 91210.1.101106.78, KB-AHR16D versions prior to 91310.1.101106.78, KB-IRIP04A versions prior to 95110.1.100290.78A, KB-IRIP08A versions prior to 95210.1.100290.78A, and KB-IRIP16A versions prior to 95310.1.100290.78A.

Weakness: CWE-287 (Improper Authentication), CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2023-30762?

It affects 6 products.


Products: Kbdevice Kb-Ahr04d Firmware, Kbdevice Kb-Ahr08d Firmware, Kbdevice Kb-Ahr16d Firmware, Kbdevice Kb-Irip04a Firmware, Kbdevice Kb-Irip08a Firmware, Kbdevice Kb-Irip16a Firmware.

## How do I fix CVE-2023-30762?

No fix has been published for CVE-2023-30762 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-30762 being exploited?

There is no known exploitation of CVE-2023-30762 in the wild and no public exploit code.

## Other vulnerabilities in KbDevice,Inc. KB-AHR series and KB-IRIP series

- [CVE-2023-30764](https://insights.sbomify.com/CVE-2023-30764/): Command injection in KB-AHR series and KB-IRIP series (critical 9.8)
- [CVE-2023-30766](https://insights.sbomify.com/CVE-2023-30766/): Command injection in KB-AHR series and KB-IRIP series (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-30762 and fix it if it is affected.

What it is: CVE-2023-30762 is a critical authentication bypass vulnerability in KbDevice,Inc. KB-AHR series and KB-IRIP series, published on 13 Jun 2023. 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-2023-30762 in the wild and no public exploit code.

Affected product: KbDevice,Inc. KB-AHR series and KB-IRIP series. 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-2023-30762/ (Markdown: https://insights.sbomify.com/CVE-2023-30762/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-30762
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-30762
- OSV: https://osv.dev/vulnerability/CVE-2023-30762

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-30762/
Summaries are generated and may contain mistakes; the official description above is the record.