# CVE-2021-2322: XML external entity in OpenGrok

> An XML External Entity vulnerability in OpenGrok allows low-privileged attackers to compromise the application and achieve full takeover.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Jun 2021
- **Updated:** 26 Sep 2024
- **Also known as:** GHSA-hxwp-5hw8-g4xg

## What is CVE-2021-2322?

CVE-2021-2322 is a high-severity vulnerability in Oracle Corporation OpenGrok, published on 23 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Vulnerability in OpenGrok (component: Web App). Versions that are affected are 1.6.7 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise OpenGrok. Successful attacks of this vulnerability can result in takeover of OpenGrok. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-91 (XML Injection)

## Which versions are affected by CVE-2021-2322?

It affects 1 product.


Products: Oracle Opengrok.

## How do I fix CVE-2021-2322?

No fix has been published for CVE-2021-2322 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-2322 being exploited?

There is no known exploitation of CVE-2021-2322 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Corporation OpenGrok

- [CVE-2025-30755](https://insights.sbomify.com/CVE-2025-30755/): Cross-site scripting in OpenGrok (medium 6.1)
- [CVE-2025-21572](https://insights.sbomify.com/CVE-2025-21572/): Cross-site scripting in OpenGrok (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-2322 and fix it if it is affected.

What it is: CVE-2021-2322 is a high-severity vulnerability in Oracle Corporation OpenGrok, published on 23 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-2322 in the wild and no public exploit code.

Affected product: Oracle Corporation OpenGrok. 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-2021-2322/ (Markdown: https://insights.sbomify.com/CVE-2021-2322/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-2322
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-2322
- OSV: https://osv.dev/vulnerability/CVE-2021-2322

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-2322/
Summaries are generated and may contain mistakes; the official description above is the record.