Rockwell ControlLogix controllers up to 20 improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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9.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Rockwell ControlLogix controllers up to 20. This vulnerability affects unknown code. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2012-6437. There is no available exploit.

Detailsinfo

A vulnerability has been found in Rockwell ControlLogix controllers up to 20 and classified as very critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The device does not properly authenticate users and the potential exists for a remote user to upload a new firmware image to the Ethernet card, whether it is a corrupt or legitimate firmware image. Successful exploitation of this vulnerability could cause loss of availability, integrity, and confidentiality and a disruption in communications with other connected devices. 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

The weakness was presented 01/24/2013 (Website). The advisory is available at us-cert.gov. This vulnerability was named CVE-2012-6437 since 12/26/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/03/2026).

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

See VDB-63423, VDB-63422, VDB-63421 and VDB-63420 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.9

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

ADP CISA Base Score: 9.8
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: Improper authentication
CWE: CWE-287
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 🔍
06/03/2026 +4089 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Not defined

CVE: CVE-2012-6437 (🔍)
GCVE (CVE): GCVE-0-2012-6437
GCVE (VulDB): GCVE-100-63418
See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 06/03/2026 18:28
Changes: 03/24/2015 12:22 (45), 02/08/2018 10:48 (1), 07/01/2025 00:41 (24), 06/03/2026 18:28 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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