# CVE-2023-23953: Privilege escalation in Advanced Secure Gateway, Content Analysis

> Attackers can elevate privileges in Advanced Secure Gateway and Content Analysis products, requiring an upgrade to mitigate.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Jun 2023
- **Updated:** 9 Jan 2025
- **Also known as:** GHSA-vr42-2w5h-cfjp

## What is CVE-2023-23953?

CVE-2023-23953 is a high-severity vulnerability in Advanced Secure Gateway, Content Analysis, published on 1 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to an Elevation of Privilege vulnerability.

## Which versions are affected by CVE-2023-23953?

It affects 2 products.


Products: Broadcom Advanced Secure Gateway, Broadcom Content Analysis.

## How do I fix CVE-2023-23953?

No fix has been published for CVE-2023-23953 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-23953 being exploited?

There is no known exploitation of CVE-2023-23953 in the wild and no public exploit code.

## Other vulnerabilities in Advanced Secure Gateway, Content Analysis

- [CVE-2023-23952](https://insights.sbomify.com/CVE-2023-23952/): Command injection in Advanced Secure Gateway, Content Analysis (critical 9.8)
- [CVE-2018-5241](https://insights.sbomify.com/CVE-2018-5241/): Auth bypass in Advanced Secure Gateway (ASG) (critical 9.8)
- [CVE-2021-46825](https://insights.sbomify.com/CVE-2021-46825/): Other in Advance Secure Gateway and ProxySG (critical 9.1)
- [CVE-2023-23955](https://insights.sbomify.com/CVE-2023-23955/): Server-side request forgery in Advanced Secure Gateway, Content Analysis (high 8.1)
- [CVE-2016-9100](https://insights.sbomify.com/CVE-2016-9100/): Information disclosure in ASG (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-23953 and fix it if it is affected.

What it is: CVE-2023-23953 is a high-severity vulnerability in Advanced Secure Gateway, Content Analysis, published on 1 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-23953 in the wild and no public exploit code.

Affected product: Advanced Secure Gateway, Content Analysis. 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-2023-23953/ (Markdown: https://insights.sbomify.com/CVE-2023-23953/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-23953
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-23953
- OSV: https://osv.dev/vulnerability/CVE-2023-23953

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-23953/
Summaries are generated and may contain mistakes; the official description above is the record.