# CVE-2018-2449: Auth bypass in SAP Supplier Relationship Management Master Data Management Catalog

> Attackers can bypass authentication in SAP SRM MDM Catalog import functionality, enabling SMB relaying attacks on Windows machines.

- **Severity:** High 8.6 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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:** 14 Aug 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-jpmg-3wrf-2xq2

## What is CVE-2018-2449?

CVE-2018-2449 is a high-severity authentication bypass vulnerability in SAP Supplier Relationship Management Master Data Management Catalog, published on 14 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SAP SRM MDM Catalog versions 3.73, 7.31, 7.32 in (SAP NetWeaver 7.3) - import functionality does not perform authentication checks for valid repository user. This is an unauthenticated functionality that you can use on windows machines to do SMB relaying.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2018-2449?

It affects 1 product.


Products: Sap Supplier Relationship Management Mdm Catalog.

## How do I fix CVE-2018-2449?

No fix has been published for CVE-2018-2449 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-2449 being exploited?

There is no known exploitation of CVE-2018-2449 in the wild and no public exploit code.

## Other vulnerabilities in SAP Supplier Relationship Management Master Data Management Catalog

- [CVE-2018-2448](https://insights.sbomify.com/CVE-2018-2448/): Information disclosure in SAP SRM-MDM CATALOG (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-2449 and fix it if it is affected.

What it is: CVE-2018-2449 is a high-severity authentication bypass vulnerability in SAP Supplier Relationship Management Master Data Management Catalog, published on 14 Aug 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-2018-2449 in the wild and no public exploit code.

Affected product: SAP Supplier Relationship Management Master Data Management Catalog. 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-2018-2449/ (Markdown: https://insights.sbomify.com/CVE-2018-2449/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-2449
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-2449
- OSV: https://osv.dev/vulnerability/CVE-2018-2449

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-2449/
Summaries are generated and may contain mistakes; the official description above is the record.