# CVE-2021-27605: Missing authorization in SAP Fiori Apps 2.0 for Travel Management in SAP ERP

> An authenticated attacker can bypass authorization checks to read employee personnel numbers and names, leading to privilege escalation.

- **Severity:** Medium 4.3 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Apr 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-vjhm-vgp3-q26w

## What is CVE-2021-27605?

CVE-2021-27605 is a medium-severity missing authorization vulnerability in SAP Fiori Apps 2.0 for Travel Management in SAP ERP, published on 13 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

SAP's HCM Travel Management Fiori Apps V2, version - 608, does not perform proper authorization check, allowing an authenticated but unauthorized attacker to read personnel numbers of employees, resulting in escalation of privileges. However, the attacker can only read some information like last name, first name of the employees, so there is some loss of confidential information, Integrity and Availability are not impacted.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2021-27605?

It affects 1 product.


Products: Sap Fiori Apps 2.0 for Travel Management in Sap Erp.

## How do I fix CVE-2021-27605?

No fix has been published for CVE-2021-27605 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-27605 being exploited?

There is no known exploitation of CVE-2021-27605 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-27605 and fix it if it is affected.

What it is: CVE-2021-27605 is a medium-severity missing authorization vulnerability in SAP Fiori Apps 2.0 for Travel Management in SAP ERP, published on 13 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-27605 in the wild and no public exploit code.

Affected product: SAP Fiori Apps 2.0 for Travel Management in SAP ERP. 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-2021-27605/ (Markdown: https://insights.sbomify.com/CVE-2021-27605/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-27605
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-27605
- OSV: https://osv.dev/vulnerability/CVE-2021-27605

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-27605/
Summaries are generated and may contain mistakes; the official description above is the record.