# CVE-2023-6905: Jahastech NxFilter Bind Request ldap injection

> Remote attackers can perform LDAP injection via the Bind Request Handler in NxFilter, potentially accessing directory data or bypassing security controls.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **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:** 17 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-f786-73f3-cvmc

## What is CVE-2023-6905?

CVE-2023-6905 is a medium-severity vulnerability in Jahastech NxFilter, published on 17 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as problematic, has been found in Jahastech NxFilter 4.3.2.5. This issue affects some unknown processing of the file user,adap.jsp?actionFlag=test&id=1 of the component Bind Request Handler. The manipulation leads to ldap injection. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-248267. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-90 (Improper Neutralization of Special Elements used in an LDAP Query)

## Which versions are affected by CVE-2023-6905?

It affects 1 product.


Products: Nxfilter Nxfilter.

## How do I fix CVE-2023-6905?

No fix has been published for CVE-2023-6905 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6905 being exploited?

There is no known exploitation of CVE-2023-6905 in the wild and no public exploit code.

## Other vulnerabilities in Jahastech NxFilter

- [CVE-2023-6904](https://insights.sbomify.com/CVE-2023-6904/): Jahastech NxFilter config,admin.jsp cross-site request forgery (medium 4.3)
- [CVE-2023-3841](https://insights.sbomify.com/CVE-2023-3841/): NxFilter user.jsp cross-site request forgery (medium 4.3)
- [CVE-2023-3840](https://insights.sbomify.com/CVE-2023-3840/): NxFilter cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6905 and fix it if it is affected.

What it is: CVE-2023-6905 is a medium-severity vulnerability in Jahastech NxFilter, published on 17 Dec 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-2023-6905 in the wild and no public exploit code.

Affected product: Jahastech NxFilter. 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-2023-6905/ (Markdown: https://insights.sbomify.com/CVE-2023-6905/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6905
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6905
- OSV: https://osv.dev/vulnerability/CVE-2023-6905

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6905/
Summaries are generated and may contain mistakes; the official description above is the record.