Rockwell Automation MicroLogix 1100 RUN Mode 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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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Rockwell Automation MicroLogix 1100. Impacted is an unknown function of the component RUN Mode. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2021-33012. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Rockwell Automation MicroLogix 1100 (Automation Software) (version now known) and classified as problematic. This issue affects some unknown processing of the component RUN Mode. 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 weakness was published 07/09/2021 as icsa-21-189-01. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2021-33012. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/13/2021 🔍
07/09/2021 +57 days 🔍
07/09/2021 +0 days 🔍
06/03/2026 +1790 days 🔍

Sourcesinfo

Advisory: icsa-21-189-01
Status: Not defined

CVE: CVE-2021-33012 (🔍)
GCVE (CVE): GCVE-0-2021-33012
GCVE (VulDB): GCVE-100-178205

Entryinfo

Created: 07/09/2021 21:31
Updated: 06/03/2026 19:53
Changes: 07/09/2021 21:31 (37), 07/11/2021 15:17 (2), 06/03/2026 19:53 (42)
Complete: 🔍
Cache ID: 216::103

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