CODESYS Gateway up to 3.5.16.x denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in CODESYS Gateway up to 3.5.16.x. It has been classified as problematic. This issue affects some unknown processing. The manipulation leads to denial of service. This vulnerability is documented as CVE-2021-29241. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in CODESYS Gateway up to 3.5.16.x. This issue affects an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

The weakness was released 05/04/2021. It is possible to read the advisory at customers.codesys.com. The identification of this vulnerability is CVE-2021-29241. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.5.17.0 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Gateway 3.5.17.0

Timelineinfo

03/25/2021 🔍
05/04/2021 +39 days 🔍
05/04/2021 +0 days 🔍
05/30/2026 +1852 days 🔍

Sourcesinfo

Advisory: customers.codesys.com
Status: Confirmed

CVE: CVE-2021-29241 (🔍)
GCVE (CVE): GCVE-0-2021-29241
GCVE (VulDB): GCVE-100-174431

Entryinfo

Created: 05/04/2021 07:11
Updated: 05/30/2026 20:24
Changes: 05/04/2021 07:11 (37), 05/07/2021 13:12 (5), 05/30/2026 20:24 (43)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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