# CVE-2023-2647: Weaver E-Office File Upload utility_all.php command injection

> Remote attackers can execute arbitrary commands via the file upload handler in Weaver E-Office, requiring permissions.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 May 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-mq6w-vmw6-wq6x

## What is CVE-2023-2647?

CVE-2023-2647 is a medium-severity command injection vulnerability in Weaver E-Office, published on 11 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Weaver E-Office 9.5 and classified as critical. Affected by this issue is some unknown functionality of the file /webroot/inc/utility_all.php of the component File Upload Handler. The manipulation leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-228776. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2023-2647?

It affects 1 product.


Products: Weaver E-Office.

## How do I fix CVE-2023-2647?

No fix has been published for CVE-2023-2647 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2647 being exploited?

There is no known exploitation of CVE-2023-2647 in the wild and no public exploit code.

## Other vulnerabilities in Weaver E-Office

- [CVE-2023-34798](https://insights.sbomify.com/CVE-2023-34798/): File upload in n/a (critical 9.8)
- [CVE-2023-2648](https://insights.sbomify.com/CVE-2023-2648/): Weaver E-Office uploadify.php unrestricted upload (medium 6.3)
- [CVE-2023-2766](https://insights.sbomify.com/CVE-2023-2766/): Weaver OA jx2_config.ini file access (medium 5.3)
- [CVE-2024-3227](https://insights.sbomify.com/CVE-2024-3227/): Panwei eoffice OA Backend save_image.php path traversal (medium 4.7)
- [CVE-2023-2765](https://insights.sbomify.com/CVE-2023-2765/): Weaver OA downfile.php absolute path traversal (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2647 and fix it if it is affected.

What it is: CVE-2023-2647 is a medium-severity command injection vulnerability in Weaver E-Office, published on 11 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-2647 in the wild and no public exploit code.

Affected product: Weaver E-Office. 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-2023-2647/ (Markdown: https://insights.sbomify.com/CVE-2023-2647/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2647
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2647
- OSV: https://osv.dev/vulnerability/CVE-2023-2647

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-2647/
Summaries are generated and may contain mistakes; the official description above is the record.