# CVE-2023-7102: Remote Code Execution (RCE) Vulnerability

> Attackers can execute arbitrary code on Barracuda ESG Appliances via parameter injection in a third-party library.

- **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:** 24 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-ccqc-vx6w-76x6

## What is CVE-2023-7102?

CVE-2023-7102 is a critical code injection vulnerability in Barracuda ESG Appliance, published on 24 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Use of a Third Party library produced a vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance which allowed Parameter Injection.This issue affected Barracuda ESG Appliance, from 5.1.3.001 through 9.2.1.001, until Barracuda removed the vulnerable logic.

Weakness: CWE-1104 (Use of Unmaintained Third Party Components)

## Which versions are affected by CVE-2023-7102?

It affects 5 products.


Products: Barracuda Email Security Gateway 300 Firmware, Barracuda Email Security Gateway 400 Firmware, Barracuda Email Security Gateway 600 Firmware, Barracuda Email Security Gateway 800 Firmware, Barracuda Email Security Gateway 900 Firmware.

## How do I fix CVE-2023-7102?

No fix has been published for CVE-2023-7102 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-7102 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-7102 exists.

Public exploit code:

- Barracuda ESG Spreadsheet::ParseExcel Arbitrary Code Execution (metasploit)

## Other vulnerabilities in Barracuda ESG Appliance

- [CVE-2023-2868](https://insights.sbomify.com/CVE-2023-2868/): Barracuda Networks ESG Appliance Improper Input Validation (critical 9.4, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-7102 and fix it if it is affected.

What it is: CVE-2023-7102 is a critical code injection vulnerability in Barracuda ESG Appliance, published on 24 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-7102 exists.

Affected product: Barracuda ESG Appliance. 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-2023-7102/ (Markdown: https://insights.sbomify.com/CVE-2023-7102/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-7102
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-7102
- OSV: https://osv.dev/vulnerability/CVE-2023-7102

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-7102/
Summaries are generated and may contain mistakes; the official description above is the record.