# CVE-2023-6903: Netentsec NS-ASG Application Security Gateway sql injection

> Remote attackers can exploit SQL injection in the loginId parameter to read or modify data on Netentsec NS-ASG Application Security Gateways.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Dec 2023
- **Updated:** 30 Sep 2024
- **Also known as:** GHSA-fw3x-xm29-cr83

## What is CVE-2023-6903?

CVE-2023-6903 is a high-severity SQL injection vulnerability in Netentsec NS-ASG Application Security Gateway, published on 17 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3.1. This affects an unknown part of the file /admin/singlelogin.php?submit=1. The manipulation of the argument loginId leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-248265 was assigned to this vulnerability.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2023-6903?

It affects 1 product.


Products: Netentsec Application Security Gateway.

## How do I fix CVE-2023-6903?

No fix has been published for CVE-2023-6903 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6903 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6903 exists.

## Other vulnerabilities in Netentsec NS-ASG Application Security Gateway

- [CVE-2023-30242](https://insights.sbomify.com/CVE-2023-30242/): SQL injection in n/a (critical 9.8)
- [CVE-2023-30243](https://insights.sbomify.com/CVE-2023-30243/): SQL injection in n/a (high 7.5)
- [CVE-2024-2647](https://insights.sbomify.com/CVE-2024-2647/): Netentsec NS-ASG Application Security Gateway singlelogin.php sql injection (high 7.3)
- [CVE-2024-3455](https://insights.sbomify.com/CVE-2024-3455/): Netentsec NS-ASG Application Security Gateway add_postlogin.php sql injection (medium 6.3)
- [CVE-2024-3456](https://insights.sbomify.com/CVE-2024-3456/): Netentsec NS-ASG Application Security Gateway config_Anticrack.php sql injection (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6903 and fix it if it is affected.

What it is: CVE-2023-6903 is a high-severity SQL injection vulnerability in Netentsec NS-ASG Application Security Gateway, published on 17 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-2023-6903 exists.

Affected product: Netentsec NS-ASG Application Security Gateway. 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-2023-6903/ (Markdown: https://insights.sbomify.com/CVE-2023-6903/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6903
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6903
- OSV: https://osv.dev/vulnerability/CVE-2023-6903

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6903/
Summaries are generated and may contain mistakes; the official description above is the record.