---
id: 8015
title: "CVE-2020-17049: Kerberos Bronze Bit Attack – Overview"
cve: CVE-2020-17049
source_domain: netspi.com
source_url: "https://www.netspi.com/blog/technical-blog/network-pentesting/cve-2020-17049-kerberos-bronze-bit-overview/"
published_at: "2020-12-08T00:00:00Z"
tags: ["active-directory", "kerberos", "windows", "constrained-delegation", "cve-2020-17049", "bronze-bit"]
phying_url: "https://phying.com/item/8015"
lang: en
---

# CVE-2020-17049: Kerberos Bronze Bit Attack – Overview

## Summary

Overview of the Bronze Bit attack (CVE-2020-17049), which abuses Kerberos constrained delegation by flipping the forwardable flag on service tickets to impersonate users marked as sensitive.

## Intelligence Metadata

- **Sources:** netspi.com
- **CVE:** CVE-2020-17049
- **Published:** 2020-12-08T00:00:00Z
- **Original:** https://www.netspi.com/blog/technical-blog/network-pentesting/cve-2020-17049-kerberos-bronze-bit-overview/
- **Phying News:** https://phying.com/item/8015