CVE-2021-30191

mediumPriorität · verfolgen · 30EPSS 0.010 · 62. PerzentilDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.99% (62nd) EPSS

CVSS 5 · medium

Is it mine?

59 products

Prüfe deine Angriffsfläche

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · bewertet 2026-10-27

CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

Behobenwago_psirt
Endress+Hauser provides updated firmware versions for all related products from the Proline portfolio which fixes the vulnerability and recommends customers to update to the new fixed version. For support, please contact your local service center.
Mitigationwago_psirt
If an immediate firmware update is not possible, the WLAN on the unit can also be switched off as a precautionary measure.
MitigationCODESYS reports all CODESYS V2 web servers running stand-alone or as part of the CODESYS runtime systemcisa_csaf_ot
Activate and apply user management and password features.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · WAGO PSIRT DE

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-120USprimärCWE-120USCWE-120USCWE-120US

betroffene Produkte (59)

Betroffene Produkte und Versionsbereiche.

CODESYS reports all CODESYS V2 web servers running stand-alone or as part of the CODESYS runtime system: prior to Version 1.1.9.20 are affectedalle Versionencisa_csaf_otUS
CODESYS, GmbH CODESYS reports all CODESYS V2 web servers running stand-alone or as part of the CODESYS runtime system< 1.1.9.20cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
CODESYS GmbH CODESYS≤ 1.1.9.20fstec_bduRU
codesys v2 web server< 1.1.9.20nvdUScpe:2.3:a:codesys:v2_web_server:*:*:*:*:*:*:*:*
wago 750-8202 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8202_firmware:*:*:*:*:*:*:*:*
wago 750-8203 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8203_firmware:*:*:*:*:*:*:*:*
wago 750-8204 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8204_firmware:*:*:*:*:*:*:*:*
wago 750-8206 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8206_firmware:*:*:*:*:*:*:*:*
wago 750-8207 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8207_firmware:*:*:*:*:*:*:*:*
wago 750-8208 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8208_firmware:*:*:*:*:*:*:*:*
wago 750-8210 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8210_firmware:*:*:*:*:*:*:*:*
wago 750-8211 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8211_firmware:*:*:*:*:*:*:*:*
wago 750-8212 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8212_firmware:*:*:*:*:*:*:*:*
wago 750-8213 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8213_firmware:*:*:*:*:*:*:*:*
wago 750-8214 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8214_firmware:*:*:*:*:*:*:*:*
wago 750-8216 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8216_firmware:*:*:*:*:*:*:*:*
wago 750-8217 firmware< 03.06.19_\(18\)nvdUScpe:2.3:o:wago:750-8217_firmware:*:*:*:*:*:*:*:*
wago 750-823 firmware< fw08nvdUScpe:2.3:o:wago:750-823_firmware:*:*:*:*:*:*:*:*
wago 750-829 firmware< fw15nvdUScpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:*

20 von 59 angezeigt

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

VDE-2021-014WAGO: Multiple Vulnerabilities in CODESYS Runtime 2.32021-05-20csaf · wago_psirtDE
Multiple vulnerabilities were reported in CODESYS 2.3 Runtime. The CODESYS 2.3 Runtime is an essential component in several WAGO PLC's.
ICSA-21-173-02CODESYS V2 web server2021-06-22icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities may allow an attacker to read or write arbitrary memory or files in the CODESYS Control runtime system, cause invalid memory accesses to execute code, or crash the CODESYS web server or CODESYS Control runtime system.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd wago_psirt NVD CVE.org MITRE

veröffentlicht 2021-05-25geändert 2026-06-17

verwandt (5,668)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2025-43520US	medium5.5OT kritisch	0.43% (37th)	KEV	2025-12-12
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS So…
CVE-2025-20333US	—OT kritisch	71.2% (99th)	KEV	2025-09-25
A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an aut…
CVE-2025-39682US	critical9.8OT kritisch	3.25% (88th)	KEV	2025-09-05
In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contig…
CVE-2025-31277US	—OT kritisch	1.66% (77th)	KEV	2025-07-30
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Proc…
CVE-2025-24985US	—OT kritisch	3.89% (90th)	KEV	2025-03-11
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.

+5663 weitere

Referenzen (10)

Externe Belege — Patches, Meldungen, Analysen.

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