# CVE-2024-5590: Netentsec NS-ASG Application Security Gateway JSON Content uploadiscuser.php sql injection

> Remote attackers can exploit SQL injection in the JSON Content Handler to read or modify database contents on Netentsec NS-ASG gateways.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA: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:** 3 Jun 2024
- **Updated:** 20 Aug 2024
- **Also known as:** GHSA-v75w-w4c8-6g57

## What is CVE-2024-5590?

CVE-2024-5590 is a medium-severity SQL injection vulnerability in Netentsec NS-ASG Application Security Gateway, published on 3 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3. It has been declared as critical. This vulnerability affects unknown code of the file /protocol/iscuser/uploadiscuser.php of the component JSON Content Handler. The manipulation of the argument messagecontent leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-266848. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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

## Which versions are affected by CVE-2024-5590?

It affects 1 product.


Products: Netentsec Application Security Gateway.

## How do I fix CVE-2024-5590?

No fix has been published for CVE-2024-5590 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-5590 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-5590 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-2023-6903](https://insights.sbomify.com/CVE-2023-6903/): Netentsec NS-ASG Application Security Gateway 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)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-5590 and fix it if it is affected.

What it is: CVE-2024-5590 is a medium-severity SQL injection vulnerability in Netentsec NS-ASG Application Security Gateway, published on 3 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-5590 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-2024-5590/ (Markdown: https://insights.sbomify.com/CVE-2024-5590/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-5590
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-5590
- OSV: https://osv.dev/vulnerability/CVE-2024-5590

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-5590/
Summaries are generated and may contain mistakes; the official description above is the record.