CVE-2023-21563

Published Jan 10, 2023

Last updated 2 years ago

Overview

Description
BitLocker Security Feature Bypass Vulnerability
Source
secure@microsoft.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
6.8
Impact score
5.9
Exploitability score
0.9
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
MEDIUM

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending
  1. Researchers demonstrated a Windows 11 BitLocker vulnerability, "bitpixie" (CVE-2023-21563), allowing attackers to access encrypted files. Microsoft issued patches, but older bootloaders remain exploitable. https://t.co/G9UW7A2rje

    @Teemu_Tiainen

    20 Jan 2025

    87 Impressions

    1 Retweet

    0 Likes

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    0 Quotes

  2. Descubre cómo se puede burlar la encriptación de BitLocker en Windows 11 sin conocer la contraseña, utilizando una vulnerabilidad no resuelta desde 2022. Aprende más sobre la explotación de CVE-2023-21563 y cómo protegerte. Comparte. https://t.co/uDXSfMItKH

    @Megabyt79042961

    11 Jan 2025

    3 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  3. 🚨 Major vulnerability in Windows BitLocker encryption (CVE-2023-21563) exposed at Chaos Communication Congress! Attackers can bypass encryption with brief physical access. #WindowsSecurity #BitLocker #Germany #CybersecurityNews link: https://t.co/fH612oQwW6 https://t.co/pu4nbzG

    @TweetThreatNews

    4 Jan 2025

    36 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  4. BitLockerの脆弱性bitpixie (CVE-2023-21563)、2022年11月に修正済みのはずだったが修正を迂回されてしまう。Chaos Communication Congress (CCC)報告。古いWindowsブートローダーをセキュアブート経由で悪用することで暗号鍵を抽出する手法。 https://t.co/45tjzu3VUY

    @__kokumoto

    3 Jan 2025

    2326 Impressions

    13 Retweets

    35 Likes

    12 Bookmarks

    0 Replies

    0 Quotes

  5. 🚨 Windows BitLocker Vulnerability Alert! 🚨 🔓 At #CCC, researcher Thomas Lambertz revealed "bitpixie" (CVE-2023-21563), a flaw allowing attackers to bypass BitLocker encryption with brief physical access + network connectivity – no tools needed! 🛠️❌ 🖥️ Root cause: outdated…

    @GHak2learn27752

    3 Jan 2025

    1415 Impressions

    1 Retweet

    3 Likes

    0 Bookmarks

    0 Replies

    1 Quote

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