# CVE-2021-33697: Open redirect in SAP BusinessObjects Business Intelligence Platform (SAPUI5)

> Unauthenticated attackers can redirect users to malicious sites via reverse tabnabbing in SAP BusinessObjects BI Platform.

- **Severity:** Medium 4.7 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Sep 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-6vxp-v535-v5r9

## What is CVE-2021-33697?

CVE-2021-33697 is a medium-severity vulnerability in SAP BusinessObjects Business Intelligence Platform (SAPUI5), published on 15 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Under certain conditions, SAP BusinessObjects Business Intelligence Platform (SAPUI5), versions - 420, 430, can allow an unauthenticated attacker to redirect users to a malicious site due to Reverse Tabnabbing vulnerabilities.

Weakness: CWE-269 (Improper Privilege Management), CWE-1022 (Use of Web Link to Untrusted Target with window.opener Access)

## Which versions are affected by CVE-2021-33697?

It affects 1 product.


Products: Sap Businessobjects Business Intelligence.

## How do I fix CVE-2021-33697?

No fix has been published for CVE-2021-33697 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-33697 being exploited?

There is no known exploitation of CVE-2021-33697 in the wild and no public exploit code.

## Other vulnerabilities in SAP BusinessObjects Business Intelligence Platform (SAPUI5)

- [CVE-2023-40622](https://insights.sbomify.com/CVE-2023-40622/): Information Disclosure vulnerability in SAP BusinessObjects Business Intelligence Platform (Promotion Management) (critical 9.9)
- [CVE-2022-41203](https://insights.sbomify.com/CVE-2022-41203/): Deserialization in SAP BusinessObjects Business Intelligence Platform (Central Management Console and BI Launchpad) (critical 9.9)
- [CVE-2023-28765](https://insights.sbomify.com/CVE-2023-28765/): Information Disclosure vulnerability in SAP BusinessObjects Business Intelligence Platform (Promotion Management ) (critical 9.8)
- [CVE-2018-2445](https://insights.sbomify.com/CVE-2018-2445/): Server-side request forgery in SAP BusinessObjects Business Intelligence Platform (critical 9.6)
- [CVE-2023-28762](https://insights.sbomify.com/CVE-2023-28762/): Information Disclosure in SAP BusinessObjects Intelligence Platform (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-33697 and fix it if it is affected.

What it is: CVE-2021-33697 is a medium-severity vulnerability in SAP BusinessObjects Business Intelligence Platform (SAPUI5), published on 15 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-33697 in the wild and no public exploit code.

Affected product: SAP BusinessObjects Business Intelligence Platform (SAPUI5). 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-2021-33697/ (Markdown: https://insights.sbomify.com/CVE-2021-33697/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-33697
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-33697
- OSV: https://osv.dev/vulnerability/CVE-2021-33697

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-33697/
Summaries are generated and may contain mistakes; the official description above is the record.