CVE-2021-29241

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Summary

CVECVE-2021-29241
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-03 14:15:07 UTC
Updated2026-05-29 15:16:20 UTC
DescriptionCODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.004070000 probability, percentile 0.614490000 (date 2026-06-03)

Problem Types: CWE-476 | n/a | CWE-476 CWE-476 NULL Pointer Dereference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Codesys Control For Beaglebone Sl All All All All
Application Codesys Control For Empc-a/imx6 Sl All All All All
Application Codesys Control For Iot2000 Sl All All All All
Application Codesys Control For Linux Sl All All All All
Application Codesys Control For Pfc100 Sl All All All All
Application Codesys Control For Pfc200 Sl All All All All
Application Codesys Control For Raspberry Pi Sl All All All All
Application Codesys Control Runtime System Toolkit All All All All
Application Codesys Development System All All All All
Application Codesys Edge Gateway All All All All
Application Codesys Edge Gateway All All All All
Application Codesys Gateway All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Security Reports af854a3a-2127-422b-91ae-364da2661108 www.codesys.com Vendor Advisory
customers.codesys.com/index.php af854a3a-2127-422b-91ae-364da2661108 customers.codesys.com Vendor Advisory
Customer Portal - Customer Portal af854a3a-2127-422b-91ae-364da2661108 customers.codesys.com Permissions Required, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590763 Schneider Electric EcoStruxure Machine Expert Multiple Vulnerabilities (SEVD-2022-011-06)
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