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CVE-2021-3156

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score35.4610%
EPSS Percentile86.25th
Published2021年1月26日
Last Modified2025年11月10日

Vulnerability Description

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.

Affected Platforms (CPE)

📦
Sudo Project

Sudo

>= 1.8.2 and < 1.8.32
📦
Sudo Project

Sudo

>= 1.9.0 and < 1.9.5
📦
Sudo Project

Sudo

= 1.9.5
📦
Sudo Project

Sudo

= 1.9.5
💻
Fedoraproject

Fedora

= 32
💻
Fedoraproject

Fedora

= 33
💻
Debian

Debian Linux

= 9.0
💻
Debian

Debian Linux

= 10.0
📦
Netapp

Active Iq Unified Manager

All versions
📦
Netapp

Cloud Backup

All versions
📦
Netapp

Hci Management Node

All versions
📦
Netapp

Oncommand Unified Manager Core Package

All versions
📦
Netapp

Ontap Select Deploy Administration Utility

All versions
📦
Netapp

Ontap Tools

= 9
📦
Netapp

Solidfire

All versions
📦
Mcafee

Web Gateway

= 8.2.17
📦
Mcafee

Web Gateway

= 9.2.8
📦
Mcafee

Web Gateway

= 10.0.4
📦
Synology

Diskstation Manager Unified Controller

= 3.0
💻
Synology

Diskstation Manager

= 6.2
💻
Synology

Skynas Firmware

All versions
💻
Synology

Vs960hd Firmware

All versions
📦
Beyondtrust

Privilege Management For Mac

< 21.1.1
📦
Beyondtrust

Privilege Management For Unix\/linux

< 10.3.2-10
💻
Oracle

Micros Compact Workstation 3 Firmware

= 310
💻
Oracle

Micros Es400 Firmware

>= 400 and <= 410
💻
Oracle

Micros Kitchen Display System Firmware

= 210
💻
Oracle

Micros Workstation 5a Firmware

= 5a
💻
Oracle

Micros Workstation 6 Firmware

>= 610 and <= 655
📦
Oracle

Communications Performance Intelligence Center

>= 10.3.0.0.0 and <= 10.3.0.2.1
📦
Oracle

Communications Performance Intelligence Center

>= 10.4.0.1.0 and <= 10.4.0.3.1
📦
Oracle

Tekelec Platform Distribution

>= 7.4.0 and <= 7.7.1

References & Advisories

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