CVE-2023-20870

Published Apr 25, 2023

Last updated 10 months ago

CVSS medium 6.0
VMware Workstation

Overview

AI description

Automated description summarized from trusted sources.

CVE-2023-20870 is an out-of-bounds read vulnerability found in VMware Workstation and Fusion. It exists in the functionality for sharing host Bluetooth devices with the virtual machine. An attacker with local administrative privileges on a virtual machine could exploit this vulnerability to read privileged information contained in hypervisor memory.

Description
VMware Workstation and Fusion contain an out-of-bounds read vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine.
Source
security@vmware.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
6
Impact score
4
Exploitability score
1.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

nvd@nist.gov
CWE-125
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-125

Social media

Hype score
Not currently trending
  1. VMware Workstation guest-to-host escape (CVE-2023-20870/CVE-2023-34044 and CVE-2023-20869) by Alexander Zaviyalov (@NCCGroupInfosec) https://t.co/qAKnS15RLn #infosec https://t.co/ydixOPn1m9

    @0xor0ne

    26 Nov 2025

    8445 Impressions

    28 Retweets

    167 Likes

    78 Bookmarks

    1 Reply

    0 Quotes

  2. Top 5 Trending CVEs: 1 - CVE-2021-28550 2 - CVE-2025-33073 3 - CVE-2023-20870 4 - CVE-2025-37947 5 - CVE-2025-22131 #cve #cvetrends #cveshield #cybersecurity https://t.co/4Fua3CAN6W

    @CVEShield

    26 Oct 2025

    11 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  3. VMware Workstation guest-to-host escape (CVE-2023-20870/CVE-2023-34044 and CVE-2023-20869) https://t.co/DseNNxt7Ow Credits Alexander Zaviyalov (@NCCGroupInfosec) #infosec https://t.co/TVyvnLvR6q

    @0xor0ne

    25 Oct 2025

    16596 Impressions

    44 Retweets

    201 Likes

    102 Bookmarks

    0 Replies

    1 Quote

  4. ⚠️Prueba de concepto para vulnerabilidades en VMware ❗CVE-2023-20869 ❗CVE-2023-20870 ❗CVE-2023-34044 ➡️Más info: https://t.co/d8TEL7gAcr https://t.co/H86sY69BlP

    @CERTpy

    6 Oct 2025

    131 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

    0 Replies

    0 Quotes

  5. VMware Workstationのホストエスケープ脆弱性(CVE-2023-20870/CVE-2023-34044, CVE-2023-20869)に対応するPoC(攻撃の概念実証コード)と解説をNCC Group社が公表。 https://t.co/s0dFyyxCdW

    @__kokumoto

    5 Oct 2025

    1036 Impressions

    2 Retweets

    10 Likes

    4 Bookmarks

    0 Replies

    0 Quotes

  6. ⚠️ Weekly vuln radar from https://t.co/8RzyA4nEyg: CVE-2024-3400 (@stevenadair) CVE-2025-24132 CVE-2025-43300 CVE-2025-5777 CVE-2025-55177 CVE-2023-34044 (@pr0Ln) CVE-2023-20870 CVE-2025-10035 CVE-2025-20333 https://t.co/Z18UZ0WhOF

    @ptdbugs

    3 Oct 2025

    2 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

  7. A great write-up of a VMware Workstation guest-to-host escape (CVE-2023-20870/CVE-2023-34044 and CVE-2023- 20869) exploit by Alex Zaviyalov has just been published! https://t.co/FLUcjiUDhB

    @alexjplaskett

    2 Oct 2025

    16526 Impressions

    69 Retweets

    306 Likes

    180 Bookmarks

    3 Replies

    2 Quotes

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