# CVE-2021-27759: Cross-site request forgery in HCL BigFix Inventory

> An attacker can trick a victim into performing sensitive actions in HCL BigFix Inventory without their consent via a cross-site request forgery attack.

- **Severity:** Low 2.3 (`CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:L/IR:L/AR:L/MAV:A/MAC:H/MPR:L/MUI:R/MS:U/MC:X/MI:N/MA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 6 May 2022
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-fcw5-4759-g9vf

## What is CVE-2021-27759?

CVE-2021-27759 is a low-severity vulnerability in HCL BigFix Inventory, published on 6 May 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

This vulnerability arises because the application allows the user to perform some sensitive action without verifying that the request was sent intentionally. An attacker can cause a victim's browser to emit an HTTP request to an arbitrary URL in the application.

Weakness: CWE-345 (Insufficient Verification of Data Authenticity), CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-27759?

It affects 1 product.


Products: Hcltech Bigfix Inventory.

## How do I fix CVE-2021-27759?

No fix has been published for CVE-2021-27759 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-27759 being exploited?

There is no known exploitation of CVE-2021-27759 in the wild and no public exploit code.

## Other vulnerabilities in HCL BigFix Inventory

- [CVE-2021-27758](https://insights.sbomify.com/CVE-2021-27758/): Cross-site request forgery in HCL BigFix Inventory (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-27759 and fix it if it is affected.

What it is: CVE-2021-27759 is a low-severity vulnerability in HCL BigFix Inventory, published on 6 May 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-27759 in the wild and no public exploit code.

Affected product: HCL BigFix Inventory. 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-2021-27759/ (Markdown: https://insights.sbomify.com/CVE-2021-27759/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-27759
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-27759
- OSV: https://osv.dev/vulnerability/CVE-2021-27759

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-27759/
Summaries are generated and may contain mistakes; the official description above is the record.