Rockwell ControlLogix controllers up to 20 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Rockwell ControlLogix controllers up to 20. Impacted is an unknown function. The manipulation results in denial of service. This vulnerability is known as CVE-2012-6439. No exploit is available.

Detailsinfo

A vulnerability was found in Rockwell ControlLogix controllers up to 20. It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on integrity, and availability. CVE summarizes:

Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400 allow remote attackers to cause a denial of service (control and communication outage) via a CIP message that modifies the (1) configuration or (2) network parameters.

The weakness was published 01/24/2013 (Website). The advisory is shared for download at us-cert.gov. This vulnerability is traded as CVE-2012-6439 since 12/26/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2012-6292). Similar entries are available at VDB-63423, VDB-63422, VDB-63421 and VDB-63419. Once again VulDB remains the best 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: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.2
VulDB Temp Score: 8.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

12/26/2012 🔍
01/24/2013 +29 days 🔍
01/24/2013 +0 days 🔍
03/24/2015 +789 days 🔍
07/01/2025 +3751 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Not defined

CVE: CVE-2012-6439 (🔍)
GCVE (CVE): GCVE-0-2012-6439
GCVE (VulDB): GCVE-100-63420
EUVD: 🔍
See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 07/01/2025 01:53
Changes: 03/24/2015 12:22 (45), 02/05/2018 08:51 (1), 07/01/2025 00:41 (24), 07/01/2025 01:53 (1)
Complete: 🔍
Cache ID: 216:5CA:103

Once again VulDB remains the best source for vulnerability data.

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