# CVE-2023-40052: Progress Application Server (PAS) for OpenEdge Denial of Service

> An attacker can crash the Progress Application Server agent by sending malformed web requests, disrupting service for multiple clients.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Jan 2024
- **Updated:** 29 Aug 2024
- **Also known as:** GHSA-559p-m25r-rqhm

## What is CVE-2023-40052?

CVE-2023-40052 is a high-severity denial of service vulnerability in Progress Software Corporation OpenEdge, published on 18 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

This issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0

. 

An attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2023-40052?

It affects 2 products.


Products: Progress Openedge, Progress Openedge Innovation.

## How do I fix CVE-2023-40052?

No fix has been published for CVE-2023-40052 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-40052 being exploited?

There is no known exploitation of CVE-2023-40052 in the wild and no public exploit code.

## Other vulnerabilities in Progress Software Corporation OpenEdge

- [CVE-2024-1403](https://insights.sbomify.com/CVE-2024-1403/): Authentication Bypass in OpenEdge Authentication Gateway and AdminServer (critical 10.0)
- [CVE-2007-2417](https://insights.sbomify.com/CVE-2007-2417/): Memory corruption in n/a (critical 10.0)
- [CVE-2015-9245](https://insights.sbomify.com/CVE-2015-9245/): Misconfiguration in n/a (critical 9.8)
- [CVE-2023-40051](https://insights.sbomify.com/CVE-2023-40051/): Progress Application Server (PAS) for OpenEdge File Upload via Directory Traversal (critical 9.1)
- [CVE-2023-34203](https://insights.sbomify.com/CVE-2023-34203/): Privilege escalation in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-40052 and fix it if it is affected.

What it is: CVE-2023-40052 is a high-severity denial of service vulnerability in Progress Software Corporation OpenEdge, published on 18 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-40052 in the wild and no public exploit code.

Affected product: Progress Software Corporation OpenEdge. 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-2023-40052/ (Markdown: https://insights.sbomify.com/CVE-2023-40052/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-40052
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-40052
- OSV: https://osv.dev/vulnerability/CVE-2023-40052

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-40052/
Summaries are generated and may contain mistakes; the official description above is the record.