Sploitus

CVE-2021-3156

80 known exploits for CVE-2021-3156

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 products
Alt Linux, Centos, Huawei Vrp, Linuxmint, Apple Macos, Red Hat, Sudo, Suse
Sudo Project Sudo
< 1.8.32, 1.9.5
Fix
Available
CVSS 3.1
7.8 HIGH
EPSS
99.3% (100th percentile)
Weakness
CWE-193
NVD status
Analyzed
Published
2021-01-26
CVE-2021-3156 at NVD
Authoritative description, scoring and affected products

80 known exploits for CVE-2021-3156

Proof-of-concept code and exploit modules indexed by Sploitus

PoC_n_Dockerfile_4_PentestFinalProject_Group02
2026-04-14 BaodeptraiiGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2026-03-18 Rana-Ali93GITHUB
Exploit for Race Condition in Canonical Ubuntu_Linux
2026-03-16 PentesterTNGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2026-03-11 TheLeopard65GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2026-01-06 varungor365GITHUB
Exploit for Race Condition in Canonical Ubuntu_Linux
2025-11-08 MadExploitsGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2025-09-06 热门极速下载GITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2025-02-08 ten-opsGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2024-11-13 Bad3rGITHUB
glibc syslog() Heap-Based Buffer Overflow Exploit
2024-01-31 Qualys Security AdvisoryZDT
glibc syslog() Heap-Based Buffer Overflow
2024-01-31 Qualys Security AdvisoryPACKETSTORM
Exploit for Off-by-one Error in Sudo_Project Sudo
2023-09-05 asepsaepdinGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2023-05-13 PurpleOzoneGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2022-07-04 FrancescoMarchioriGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2022-07-04 MhackioriGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2022-06-24 arvindshimaGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2022-05-26 q77190858GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2022-03-04 puckiestyleGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2022-01-27 chenaotianGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-12-20 mortalsGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-12-11 hissecGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-11-23 charlotteGITEE
Exploit for Race Condition in Canonical Ubuntu_Linux
2021-11-10 sh3llsasGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-10-20 Bubleh21GITHUB
Exploit for Improper Input Validation in Google Chrome
2021-10-16 小义的爸爸GITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-10-13 musergiGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-10-12 cgjkingGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-09-27 陈狍子GITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-08-27 aaaGITEE
Exploit for Improper Access Control in Xen
2021-08-14 蒲公英之流GITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-08-13 0x7183GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-08-07 CyberCommandsGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-07-26 ExodusroGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-06-30 TheFlash2kGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-06-25 donghyunlee00GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-06-09 蒲公英之流GITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-05-25 YenanGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-04-14 shine05GITEE
Exploit for Improper Input Validation in Google Chrome
2021-04-13 abccacGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-03-19 cor0psGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-03-19 lmolGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-03-18 featherlGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-03-18 cor0psGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-03-15 worawitGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-03-14 hurc咸鱼GITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-23 oneoyGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-09 jm33-m0GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-09 Rvn0xsyGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-08 0xdevilGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-06 1N53CGITHUB
Sudo 1.8.31p2 / 1.9.5p1 Buffer Overflow Exploit
2021-02-05 metasploitZDTRuby
Sudo 1.8.31p2 / 1.9.5p1 Buffer Overflow
2021-02-05 BlastyPACKETSTORMRuby
Sudo Heap-Based Buffer Overflow
2021-02-04 Qualys, Spencer McIntyre, bwatters-r7, smashery, blasty <blasty@fail0verflow.com>, worawit, Alexander KrogMETASPLOITRuby
Sudo 1.9.5p1 - 'Baron Samedit ' Heap-Based Buffer Overflow Privilege Escalation (1)
2021-02-03 West ShepherdEXPLOITDBPython
Sudo 1.9.5p1 - 'Baron Samedit ' Heap-Based Buffer Overflow Privilege Escalation (2)
2021-02-03 nu11secur1tyEXPLOITDBC
Sudo 1.9.5p1 Buffer Overflow / Privilege Escalation
2021-02-03 West ShepherdPACKETSTORMPython
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-03 dinhbaouitGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-03 CptGibbonGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-02 hopeGITEE
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-02-01 itpenguinGITEE
Sudo 1.9.5p1 - (Baron Samedit) Heap-Based Buffer Overflow Privilege Escalation Exploit (1)
2021-02-01 West ShepherdZDTPython
Sudo 1.9.5p1 - (Baron Samedit) Heap-Based Buffer Overflow Privilege Escalation Exploit (2)
2021-02-01 Ventsislav VarbanovskiZDTC
Sudo Buffer Overflow / Privilege Escalation
2021-02-01 nu11secur1tyPACKETSTORMC
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-31 teamtopkarlGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-31 Q4nGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-31 kal1gh0stGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-30 stongGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-30 nobodyatall648GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-30 blastyGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-29 mbcrumpGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-28 kernelzerodayGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-28 yaunskyGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-28 baka9moeGITHUB
Sudo version 1.8.2 to 1.8.31p2 Heap-Based Buffer Overflow Vulnerability
2021-01-27 Qualys SecurityZDT
Sudo Heap-Based Buffer Overflow
2021-01-27 Qualys Security AdvisoryPACKETSTORM
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-27 reverse-exGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-27 ymrsmnsGITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2021-01-27 elbee-cyberGITHUB
Exploit for Improper Input Validation in Google Chrome
2020-08-26 r4j0x00GITHUB
Exploit for Off-by-one Error in Sudo_Project Sudo
2020-05-27 joausGITEE