Lucene search
K
Database
Vendors
Products
Years
CVSS
Scanner
Agent Scanning
API Scanning
Manual Audit
Perimeter Scanner
Scanning
Projects
Email
Webhook
Plugins
Resources
Documents
Blog
Glossary
FAQ
Pricing
Contacts
About Us
Partners
Branding Guideline
nginxNginxNGINX:CVE-2021-23017
HistoryJun 01, 2021 - 1:15 p.m.

1-byte memory overwrite in resolver

2021-06-0113:15:00
mailman.nginx.org
1248

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.582 Medium

EPSS

Percentile

97.7%

JSON

1-byte memory overwrite in resolver
Severity: medium
CVE-2021-23017
Not vulnerable: 1.21.0+, 1.20.1+
Vulnerable: 0.6.18-1.20.0

CPENameOperatorVersion
nginxle1.20.0

Related

ibm 7
nessus 40
osv 12
packetstorm 2
altlinux 1
ubuntucve 1
fedora 2
openvas 18
gentoo 1
cloudlinux 2
zdt 2
rocky 3
redos 14
redhat 10
debiancve 1
ubuntu 2
amazon 1
veracode 1
broadcom 2
githubexploit 3
almalinux 3
oraclelinux 3
suse 2
f5 2
prion 1
hackerone 1
debian 2
cbl_mariner 1
freebsd 1
mageia 1
cve 1
redhatcve 1
alpinelinux 1
archlinux 2
exploitdb 1
photon 8
thn 1
malwarebytes 1
oracle 4
ibm
ibm
Security Bulletin: IBM API Connect V5 is impacted by a vulnerability in nginx. (CVE-2021-23017)
2021-08-25 13:37:28
Security Bulletin: IBM Watson Machine Learning Accelerator is affected by a vulnerability in Nginx
2021-08-31 01:55:01
Security Bulletin: IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in Nginx
2021-10-01 06:18:54
nessus
nessus
openSUSE 15 Security Update : nginx (openSUSE-SU-2021:1815-1)
2021-07-16 00:00:00
nginx 0.6.x < 1.20.1 1-Byte Memory Overwrite RCE
2021-06-03 00:00:00
SUSE SLES15 Security Update : nginx (SUSE-SU-2021:1792-1)
2021-06-01 00:00:00
osv
osv
nginx - security update
2021-05-30 00:00:00
nginx vulnerability
2021-05-26 13:50:49
nginx - security update
2021-05-28 00:00:00
packetstorm
packetstorm
nginx 1.20.0 DNS Resolver Off-By-One Heap Write
2021-05-26 00:00:00
Nginx 1.20.0 Denial Of Service
2022-07-11 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 9 package nginx version 1.20.1-alt1
2021-06-23 00:00:00
ubuntucve
ubuntucve
CVE-2021-23017
2021-05-25 00:00:00
fedora
fedora
[SECURITY] Fedora 34 Update: nginx-1.20.1-2.fc34
2021-06-11 01:15:42
[SECURITY] Fedora 33 Update: nginx-1.20.1-2.fc33
2021-06-11 01:19:56
openvas
openvas
Fedora: Security Advisory for nginx (FEDORA-2021-393d698493)
2021-06-17 00:00:00
SUSE: Security Advisory (SUSE-SU-2021:1814-1)
2021-06-09 00:00:00
Ubuntu: Security Advisory (USN-4967-1)
2021-05-27 00:00:00
gentoo
gentoo
nginx: Remote code execution
2021-05-26 00:00:00
cloudlinux
cloudlinux
Fix of CVE: CVE-2021-23017
2021-09-21 22:02:21
Fix of CVE: CVE-2021-23017
2021-09-21 22:02:42
zdt
zdt
nginx 1.20.0 DNS Resolver Off-By-One Heap Write Exploit
2021-05-27 00:00:00
Nginx 1.20.0 - Denial of Service Exploit
2022-07-11 00:00:00
rocky
rocky
nginx:1.18 security update
2021-06-07 10:02:53
nginx:1.16 security update
2021-06-08 09:47:28
nginx:1.20 security update
2022-01-31 09:52:06
redos
redos
ROS-2-600
2021-09-08 00:00:00
ROS-2-528
2021-09-08 00:00:00
ROS-2-711
2021-09-08 00:00:00
redhat
redhat
(RHSA-2021:2290) Important: nginx:1.16 security update
2021-06-08 09:47:28
(RHSA-2022:0323) Important: nginx:1.20 security update
2022-01-31 09:52:06
(RHSA-2021:2278) Important: rh-nginx116-nginx security update
2021-06-07 17:17:53
debiancve
debiancve
CVE-2021-23017
2021-06-01 13:15:00
ubuntu
ubuntu
nginx vulnerability
2021-05-26 00:00:00
nginx vulnerability
2021-05-27 00:00:00
amazon
amazon
Important: nginx
2021-06-01 17:58:00
veracode
veracode
Remote Code Execution
2021-05-28 13:25:37
broadcom
broadcom
CVE-2021-23017: NGINX Resolver Vulnerability
2022-11-08 00:00:00
CVE-2021-23017: NGINX Resolver Vulnerability
2022-11-08 00:00:00
githubexploit
githubexploit
Exploit for Off-by-one Error in F5 Nginx
2023-07-20 05:39:01
Exploit for Off-by-one Error in F5 Nginx
2022-06-30 04:39:58
Exploit for Off-by-one Error in F5 Nginx
2023-10-21 04:24:02
almalinux
almalinux
Important: nginx:1.18 security update
2021-06-07 10:02:53
Important: nginx:1.20 security update
2022-01-31 09:52:06
Important: nginx:1.16 security update
2021-06-08 09:47:28
oraclelinux
oraclelinux
nginx:1.16 security update
2021-06-10 00:00:00
nginx:1.20 security update
2022-02-01 00:00:00
nginx:1.18 security update
2021-06-08 00:00:00
suse
suse
Security update for nginx (important)
2021-06-04 00:00:00
Security update for nginx (important)
2021-07-11 00:00:00
f5
f5
K12331123 : NGINX Plus and Open Source vulnerability CVE-2021-23017
2021-05-25 00:00:00
K52559937 : Overview of NGINX vulnerabilities (May 2021)
2021-05-25 00:00:00
prion
prion
Memory corruption
2021-06-01 13:15:00
hackerone
hackerone
Internet Bug Bounty: 1-byte heap buffer overflow in DNS resolver
2021-05-27 10:32:41
debian
debian
[SECURITY] [DLA 2670-1] nginx security update
2021-05-30 12:56:20
[SECURITY] [DSA 4921-1] nginx security update
2021-05-28 12:05:07
cbl_mariner
cbl_mariner
CVE-2021-23017 affecting package nginx 1.16.1-4
2021-06-14 15:32:58
freebsd
freebsd
NGINX -- 1-byte memory overwrite in resolver
2021-05-25 00:00:00
mageia
mageia
Updated nginx package fixes a security vulnerability
2021-06-29 20:31:40
cve
cve
CVE-2021-23017
2021-06-01 13:15:00
redhatcve
redhatcve
CVE-2021-23017
2021-05-26 08:17:46
alpinelinux
alpinelinux
CVE-2021-23017
2021-06-01 13:15:00
archlinux
archlinux
[ASA-202106-36] nginx: arbitrary code execution
2021-06-15 00:00:00
[ASA-202106-48] nginx-mainline: arbitrary code execution
2021-06-22 00:00:00
exploitdb
exploitdb
Nginx 1.20.0 - Denial of Service (DOS)
2022-07-11 00:00:00
photon
photon
Important Photon OS Security Update - PHSA-2021-0394
2021-05-27 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0394
2021-05-27 00:00:00
Important Photon OS Security Update - PHSA-2021-0032
2021-05-26 00:00:00
thn
thn
Juniper Releases Patches for Critical Flaws in Junos OS and Contrail Networking
2022-07-18 05:02:00
malwarebytes
malwarebytes
Oracle releases massive Critical Patch Update containing 520 security patches
2022-04-20 14:53:54
oracle
oracle
Oracle Critical Patch Update Advisory - April 2023
2023-04-18 00:00:00
Oracle Critical Patch Update Advisory - October 2021
2021-10-19 00:00:00
Oracle Critical Patch Update Advisory - January 2022
2022-01-18 00:00:00

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.582 Medium

EPSS

Percentile

97.7%

JSON
Related for NGINX:CVE-2021-23017
ibm7nessus40osv12packetstorm2altlinux1ubuntucve1fedora2openvas18gentoo1cloudlinux2zdt2rocky3redos14redhat10debiancve1ubuntu2amazon1veracode1broadcom2githubexploit3almalinux3oraclelinux3suse2f52prion1hackerone1debian2cbl_mariner1freebsd1mageia1cve1redhatcve1alpinelinux1archlinux2exploitdb1photon8thn1malwarebytes1oracle4