# CVE-2021-43048: TIBCO PartnerExpress Click-Jacking vulnerability

> An unauthenticated attacker can perform clickjacking attacks on TIBCO PartnerExpress servers, potentially bypassing security controls without user interaction.

- **Severity:** Critical 9.8 (`CVSS:3.1/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:** 16 Nov 2021
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-r38q-w334-3c57

## What is CVE-2021-43048?

CVE-2021-43048 is a critical vulnerability in TIBCO PartnerExpress, published on 16 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Interior Server and Gateway Server components of TIBCO Software Inc.'s TIBCO PartnerExpress contain a vulnerability that theoretically allows an unauthenticated attacker with network access to execute a clickjacking attack on the affected system. A successful attack using this vulnerability does not require human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO PartnerExpress: versions 6.2.1 and below.

Weakness: CWE-1021 (Improper Restriction of Rendered UI Layers or Frames)

## Which versions are affected by CVE-2021-43048?

It affects 1 product.


Products: Tibco Partnerexpress.

## How do I fix CVE-2021-43048?

No fix has been published for CVE-2021-43048 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-43048 being exploited?

There is no known exploitation of CVE-2021-43048 in the wild and no public exploit code.

## Other vulnerabilities in TIBCO PartnerExpress

- [CVE-2021-43047](https://insights.sbomify.com/CVE-2021-43047/): TIBCO PartnerExpress Cross Site Scripting vulnerabilities (critical 9.0)
- [CVE-2021-43046](https://insights.sbomify.com/CVE-2021-43046/): TIBCO PartnerExpress Session Token in URL (high 7.5)
- [CVE-2020-27147](https://insights.sbomify.com/CVE-2020-27147/): TIBCO PartnerExpress REST API (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-43048 and fix it if it is affected.

What it is: CVE-2021-43048 is a critical vulnerability in TIBCO PartnerExpress, published on 16 Nov 2021. 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-2021-43048 in the wild and no public exploit code.

Affected product: TIBCO PartnerExpress. 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-2021-43048/ (Markdown: https://insights.sbomify.com/CVE-2021-43048/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-43048
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-43048
- OSV: https://osv.dev/vulnerability/CVE-2021-43048

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-43048/
Summaries are generated and may contain mistakes; the official description above is the record.