# CVE-2022-35639: Denial of service in Sterling Partner Engagement Manager

> Attackers can cause the IBM Sterling Partner Engagement Manager server to become unresponsive by sending connections of unlimited length.

- **Severity:** High 7.5 (`CVSS:3.0/PR:N/UI:N/A:H/AV:N/S:U/I:N/AC:L/C:N/E:U/RL:O/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Jul 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-g4qp-7gv5-8gq3

## What is CVE-2022-35639?

CVE-2022-35639 is a high-severity denial of service vulnerability in IBM Sterling Partner Engagement Manager, published on 26 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

IBM Sterling Partner Engagement Manager 6.1, 6.2, and Cloud 22.2 do not limit the length of a connection which could cause the server to become unresponsive. IBM X-Force ID: 230932.

## Which versions are affected by CVE-2022-35639?

It affects 2 products.


Products: Ibm Sterling Partner Engagement Manager, Ibm Sterling Partner Engagement Manager on Cloud.

## How do I fix CVE-2022-35639?

No fix has been published for CVE-2022-35639 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-35639 being exploited?

There is no known exploitation of CVE-2022-35639 in the wild and no public exploit code.

## Other vulnerabilities in IBM Sterling Partner Engagement Manager

- [CVE-2025-33093](https://insights.sbomify.com/CVE-2025-33093/): IBM Sterling Partner Engagement Manager information disclosure (high 7.5)
- [CVE-2022-34348](https://insights.sbomify.com/CVE-2022-34348/): XML external entity in Partner Engagement Manager (high 7.1)
- [CVE-2022-34335](https://insights.sbomify.com/CVE-2022-34335/): IBM Sterling Partner Engagement Manager denial of service (medium 6.5)
- [CVE-2023-38722](https://insights.sbomify.com/CVE-2023-38722/): IBM Sterling Partner Engagement Manager cross-site scripting (medium 6.4)
- [CVE-2023-23481](https://insights.sbomify.com/CVE-2023-23481/): IBM Sterling Partner Engagement Manager cross-site scripting (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-35639 and fix it if it is affected.

What it is: CVE-2022-35639 is a high-severity denial of service vulnerability in IBM Sterling Partner Engagement Manager, published on 26 Jul 2022. 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-2022-35639 in the wild and no public exploit code.

Affected product: IBM Sterling Partner Engagement Manager. 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-2022-35639/ (Markdown: https://insights.sbomify.com/CVE-2022-35639/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-35639
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-35639
- OSV: https://osv.dev/vulnerability/CVE-2022-35639

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-35639/
Summaries are generated and may contain mistakes; the official description above is the record.