# CVE-2021-21580: Cross-site scripting in Integrated Dell Remote Access Controller (iDRAC)

> Attackers can inject text via malicious URLs to spoof content and phish users on Dell iDRAC interfaces.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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:** 3 Aug 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-6vch-g6c7-93gq

## What is CVE-2021-21580?

CVE-2021-21580 is a medium-severity cross-site scripting vulnerability in Integrated Dell Remote Access Controller (iDRAC), published on 3 Aug 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

Dell EMC iDRAC8 versions prior to 2.80.80.80 & Dell EMC iDRAC9 versions prior to 5.00.00.00 contain a Content spoofing / Text injection, where a malicious URL can inject text to present a customized message on the application that can phish users into believing that the message is legitimate.

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

## Which versions are affected by CVE-2021-21580?

It affects 2 products.


Products: Dell Emc Idrac8 Firmware, Dell Emc Idrac9 Firmware.

## How do I fix CVE-2021-21580?

No fix has been published for CVE-2021-21580 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-21580 being exploited?

There is no known exploitation of CVE-2021-21580 in the wild and no public exploit code.

## Other vulnerabilities in Integrated Dell Remote Access Controller (iDRAC)

- [CVE-2021-36301](https://insights.sbomify.com/CVE-2021-36301/): Memory corruption in Integrated Dell Remote Access Controller (iDRAC) (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-21580 and fix it if it is affected.

What it is: CVE-2021-21580 is a medium-severity cross-site scripting vulnerability in Integrated Dell Remote Access Controller (iDRAC), published on 3 Aug 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-2021-21580 in the wild and no public exploit code.

Affected product: Integrated Dell Remote Access Controller (iDRAC). 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-2021-21580/ (Markdown: https://insights.sbomify.com/CVE-2021-21580/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-21580
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-21580
- OSV: https://osv.dev/vulnerability/CVE-2021-21580

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-21580/
Summaries are generated and may contain mistakes; the official description above is the record.