# CVE-2018-8529: Missing authorization in Team

> Attackers can achieve remote code execution on Team Foundation Server if basic authorization is not enabled between TFS and Search services.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 15 Nov 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-g635-3cv2-g7jq

## What is CVE-2018-8529?

CVE-2018-8529 is a critical missing authorization vulnerability in Microsoft Team, published on 15 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A remote code execution vulnerability exists when Team Foundation Server (TFS) does not enable basic authorization on the communication between the TFS and Search services, aka "Team Foundation Server Remote Code Execution Vulnerability." This affects Team.

## Which versions are affected by CVE-2018-8529?

It affects 1 product.


Products: Microsoft Team Foundation Server.

## How do I fix CVE-2018-8529?

No fix has been published for CVE-2018-8529 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-8529 being exploited?

There is no known exploitation of CVE-2018-8529 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft Team

- [CVE-2019-0647](https://insights.sbomify.com/CVE-2019-0647/): Information disclosure in Team (medium 6.5)
- [CVE-2019-0777](https://insights.sbomify.com/CVE-2019-0777/): Cross-site scripting in Team Foundation Server (medium 5.4)
- [CVE-2019-0742](https://insights.sbomify.com/CVE-2019-0742/): Cross-site scripting in Team Foundation Server 2018 (medium 5.4)
- [CVE-2019-0743](https://insights.sbomify.com/CVE-2019-0743/): Cross-site scripting in Team Foundation Server 2018 (medium 5.4)
- [CVE-2019-0646](https://insights.sbomify.com/CVE-2019-0646/): Cross-site scripting in Team (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-8529 and fix it if it is affected.

What it is: CVE-2018-8529 is a critical missing authorization vulnerability in Microsoft Team, published on 15 Nov 2018. 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-2018-8529 in the wild and no public exploit code.

Affected product: Microsoft Team. 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-2018-8529/ (Markdown: https://insights.sbomify.com/CVE-2018-8529/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-8529
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-8529
- OSV: https://osv.dev/vulnerability/CVE-2018-8529

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-8529/
Summaries are generated and may contain mistakes; the official description above is the record.