# CVE-2021-28829: TIBCO Administrator CSV injection vulnerability

> A low-privileged attacker can inject malicious formulas into CSV exports, leading to code execution when victims open the files in spreadsheet software.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 20 Apr 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-g4j8-c6w6-98xm

## What is CVE-2021-28829?

CVE-2021-28829 is a medium-severity vulnerability in TIBCO Administrator - Enterprise Edition, published on 20 Apr 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition for z/Linux, and TIBCO Administrator - Enterprise Edition for z/Linux contains an easily exploitable vulnerability that allows a low privileged attacker with network access to execute a persistent CSV injection attack from the affected system. A successful attack using this vulnerability requires human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.10.2 and below, and TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.11.0 and 5.11.1.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2021-28829?

It affects 1 product.


Products: Tibco Administrator.

## How do I fix CVE-2021-28829?

No fix has been published for CVE-2021-28829 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-28829 being exploited?

There is no known exploitation of CVE-2021-28829 in the wild and no public exploit code.

## Other vulnerabilities in TIBCO Administrator - Enterprise Edition

- [CVE-2021-28827](https://insights.sbomify.com/CVE-2021-28827/): TIBCO Administrator Stored Cross Site Scripting vulnerability (critical 9.6)
- [CVE-2018-5432](https://insights.sbomify.com/CVE-2018-5432/): TIBCO Administrator - Enterprise Edition Cross-Site Scripting Vulnerability (high 8.0)
- [CVE-2021-28828](https://insights.sbomify.com/CVE-2021-28828/): TIBCO Administrator SQL injection vulnerability (high 7.6)
- [CVE-2018-5433](https://insights.sbomify.com/CVE-2018-5433/): XML eXternal Entity Expansion Vulnerabilities with TIBCO Administrator (medium 6.5)
- [CVE-2010-0683](https://insights.sbomify.com/CVE-2010-0683/): Code injection in n/a (medium 6.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-28829 and fix it if it is affected.

What it is: CVE-2021-28829 is a medium-severity vulnerability in TIBCO Administrator - Enterprise Edition, published on 20 Apr 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-28829 in the wild and no public exploit code.

Affected product: TIBCO Administrator - Enterprise Edition. 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-2021-28829/ (Markdown: https://insights.sbomify.com/CVE-2021-28829/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-28829
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-28829
- OSV: https://osv.dev/vulnerability/CVE-2021-28829

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-28829/
Summaries are generated and may contain mistakes; the official description above is the record.