# CVE-2021-2221: Other in Secure Global Desktop

> Unauthenticated attackers can compromise Oracle Secure Global Desktop via network access, requiring user interaction, leading to full system takeover.

- **Severity:** Critical 9.6 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)
- **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:** 22 Apr 2021
- **Updated:** 26 Sep 2024
- **Also known as:** GHSA-fxp7-5p4f-x38p

## What is CVE-2021-2221?

CVE-2021-2221 is a critical vulnerability in Oracle Corporation Secure Global Desktop, published on 22 Apr 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

Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Client). The supported version that is affected is 5.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Secure Global Desktop. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Secure Global Desktop, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Secure Global Desktop.

## Which versions are affected by CVE-2021-2221?

It affects 1 product.


Products: Oracle Secure Global Desktop.

## How do I fix CVE-2021-2221?

No fix has been published for CVE-2021-2221 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-2221 being exploited?

There is no known exploitation of CVE-2021-2221 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Corporation Secure Global Desktop

- [CVE-2021-2177](https://insights.sbomify.com/CVE-2021-2177/): Auth bypass in Secure Global Desktop (critical 10.0)
- [CVE-2021-2248](https://insights.sbomify.com/CVE-2021-2248/): Auth bypass in Secure Global Desktop (critical 10.0)
- [CVE-2021-2447](https://insights.sbomify.com/CVE-2021-2447/): Auth bypass in Secure Global Desktop (critical 9.9)
- [CVE-2016-3613](https://insights.sbomify.com/CVE-2016-3613/): Other in n/a (critical 9.8)
- [CVE-2021-2446](https://insights.sbomify.com/CVE-2021-2446/): Other in Secure Global Desktop (critical 9.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-2221 and fix it if it is affected.

What it is: CVE-2021-2221 is a critical vulnerability in Oracle Corporation Secure Global Desktop, published on 22 Apr 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-2021-2221 in the wild and no public exploit code.

Affected product: Oracle Corporation Secure Global Desktop. 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-2021-2221/ (Markdown: https://insights.sbomify.com/CVE-2021-2221/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-2221
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-2221
- OSV: https://osv.dev/vulnerability/CVE-2021-2221

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-2221/
Summaries are generated and may contain mistakes; the official description above is the record.