CVE-2021-34584

🗓️ 26 Oct 2021 10:15:07Reported by [email protected]Type

nvd

nvd🔗 web.nvd.nist.gov👁 12 Views

Crafted requests can read stack/heap memory or crash CODESYS V2 web server pre V1.1.9.2

Reporter	Title	Published	Views	Family All 9
Circl	CVE-2021-34584	26 Oct 202114:14	–	circl
CNNVD	CODESYS 安全漏洞	26 Oct 202100:00	–	cnnvd
CVE	CVE-2021-34584	26 Oct 202109:55	–	cve
Cvelist	CVE-2021-34584 CODESYS V2 web server: crafted requests could trigger a buffer over-read (DoS)	26 Oct 202109:55	–	cvelist
EUVD	EUVD-2021-21234	7 Oct 202500:30	–	euvd
OSV	CVE-2021-34584	26 Oct 202110:15	–	osv
Prion	Design/Logic Flaw	26 Oct 202110:15	–	prion
Positive Technologies	PT-2021-20565 · 3S Smart Software Solutions · Codesys V2	26 Oct 202100:00	–	ptsecurity
Tenable Nessus	Wago CODESYS V2 Web-Server Buffer Over-read (CVE-2021-34584)	9 Sep 202500:00	–	nessus

NVD

Node

wago 750-823_firmwareRange<fw10

AND

wago 750-823Match-

Node

wago 750-829_firmwareRange<fw17

AND

wago 750-829Match-

Node

wago 750-831_firmwareRange<fw17

AND

wago 750-831Match-

Node

wago 750-832_firmwareRange<fw10

AND

wago 750-832Match-

Node

wago 750-852_firmwareRange<fw17

AND

wago 750-852Match-

Node

wago 750-862_firmwareRange<fw10

AND

wago 750-862Match-

Node

wago 750-880_firmwareRange<fw17

AND

wago 750-880Match-

Node

wago 750-881_firmwareRange<fw17

AND

wago 750-881Match-

Node

wago 750-882_firmwareRange<fw17

AND

wago 750-882Match-

Node

wago 750-885_firmwareRange<fw17

AND

wago 750-885Match-

Node

wago 750-889_firmwareRange<fw17

AND

wago 750-889Match-

Node

wago 750-890_firmwareRange<fw10

AND

wago 750-890Match-

Node

wago 750-891_firmwareRange<fw10

AND

wago 750-891Match-

Node

wago 750-893_firmwareRange<fw10

AND

wago 750-893Match-

Node

wago 750-8202_firmwareRange<fw20

AND

wago 750-8202Match-

Node

wago 750-8203_firmwareRange<fw20

AND

wago 750-8203Match-

Node

wago 750-8204_firmwareRange<fw20

AND

wago 750-8204Match-

Node

wago 750-8206_firmwareRange<fw20

AND

wago 750-8206Match-

Node

wago 750-8207_firmwareRange<fw20

AND

wago 750-8207Match-

Node

wago 750-8208_firmwareRange<fw20

AND

wago 750-8208Match-

Node

wago 750-8210_firmwareRange<fw20

AND

wago 750-8210Match-

Node

wago 750-8211_firmwareRange<fw20

AND

wago 750-8211Match-

Node

wago 750-8212_firmwareRange<fw20

AND

wago 750-8212Match-

Node

wago 750-8213_firmwareRange<fw20

AND

wago 750-8213Match-

Node

wago 750-8214_firmwareRange<fw20

AND

wago 750-8214Match-

Node

wago 750-8216_firmwareRange<fw20

AND

wago 750-8216Match-

Node

wago 750-8217_firmwareRange<fw20

AND

wago 750-8217Match-

Node

codesys codesysRange<1.1.9.22

Source	Link
tenable	www.tenable.com/security/research/tra-2021-47
customers	www.customers.codesys.com/index.php

17 Jun 2026 03:56Current

CVSS 26.4

CVSS 3.19.1

EPSS0.01075

crafted requests memory read denial-of-service codesys v2 web server