# CVE-2021-27741: XML external entity in Commerce

> An attacker can exploit XML external entity injection in HCL Commerce Management Center to read sensitive data or cause denial of service.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:** 13 Aug 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-j9xg-v3p9-32vg

## What is CVE-2021-27741?

CVE-2021-27741 is a critical vulnerability in Commerce, published on 13 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

" Security vulnerability in HCL Commerce Management Center allowing XML external entity (XXE) injection"

Weakness: CWE-611 (Improper Restriction of XML External Entity Reference)

## Which versions are affected by CVE-2021-27741?

It affects 1 product.


Products: Hcltechsw Hcl Commerce.

## How do I fix CVE-2021-27741?

No fix has been published for CVE-2021-27741 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-27741 being exploited?

There is no known exploitation of CVE-2021-27741 in the wild and no public exploit code.

## Other vulnerabilities in Commerce

- [CVE-2020-14275](https://insights.sbomify.com/CVE-2020-14275/): Other in HCL Commerce (critical 9.8)
- [CVE-2022-38656](https://insights.sbomify.com/CVE-2022-38656/): HCL Commerce, when using Elasticsearch, could be affected by a denial of service vulnerability (high 8.6)
- [CVE-2020-14274](https://insights.sbomify.com/CVE-2020-14274/): Information disclosure in HCL Commerce (high 7.5)
- [CVE-2024-23576](https://insights.sbomify.com/CVE-2024-23576/): HCL Commerce is potentially affected by a denial of service and information disclosure vulnerability (high 7.1)
- [CVE-2021-27751](https://insights.sbomify.com/CVE-2021-27751/): HCL Commerce is affected by an Insufficient Session Expiration vulnerability. (medium 4.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-27741 and fix it if it is affected.

What it is: CVE-2021-27741 is a critical vulnerability in Commerce, published on 13 Aug 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-2021-27741 in the wild and no public exploit code.

Affected product: Commerce. 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-2021-27741/ (Markdown: https://insights.sbomify.com/CVE-2021-27741/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-27741
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-27741
- OSV: https://osv.dev/vulnerability/CVE-2021-27741

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-27741/
Summaries are generated and may contain mistakes; the official description above is the record.