# CVE-2019-0261: Auth bypass in SAP HANA Extended Application Services

> SAP HANA XS Advanced fails to properly perform authentication checks, allowing unauthorized access to platform and business users.

- **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 Feb 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-wvqm-vf4g-854v

## What is CVE-2019-0261?

CVE-2019-0261 is a critical authentication bypass vulnerability in SAP HANA Extended Application Services, published on 15 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Under certain circumstances, SAP HANA Extended Application Services, advanced model (XS advanced) does not perform authentication checks properly for XS advanced platform and business users. Fixed in 1.0.97 to 1.0.99 (running on SAP HANA 1 or SAP HANA 2 SPS0 (second S stands for stack)).

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2019-0261?

It affects 1 product.


Products: Sap Landscape Management.

## How do I fix CVE-2019-0261?

No fix has been published for CVE-2019-0261 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-0261 being exploited?

There is no known exploitation of CVE-2019-0261 in the wild and no public exploit code.

## Other vulnerabilities in SAP HANA Extended Application Services

- [CVE-2019-0249](https://insights.sbomify.com/CVE-2019-0249/): Information disclosure in SAP Landscape Management(VCM) (high 7.5)
- [CVE-2020-6191](https://insights.sbomify.com/CVE-2020-6191/): Command injection in SAP Landscape Management (high 7.2)
- [CVE-2020-6192](https://insights.sbomify.com/CVE-2020-6192/): Command injection in SAP Landscape Management (high 7.2)
- [CVE-2024-39593](https://insights.sbomify.com/CVE-2024-39593/): [CVE-2024-39593] Information Disclosure vulnerability in SAP Landscape Management (medium 6.9)
- [CVE-2023-26458](https://insights.sbomify.com/CVE-2023-26458/): Information Disclosure vulnerability in SAP Landscape Management (medium 6.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-0261 and fix it if it is affected.

What it is: CVE-2019-0261 is a critical authentication bypass vulnerability in SAP HANA Extended Application Services, published on 15 Feb 2019. 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-2019-0261 in the wild and no public exploit code.

Affected product: SAP HANA Extended Application Services. 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-2019-0261/ (Markdown: https://insights.sbomify.com/CVE-2019-0261/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-0261
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-0261
- OSV: https://osv.dev/vulnerability/CVE-2019-0261

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-0261/
Summaries are generated and may contain mistakes; the official description above is the record.