VDB-147253 · CVE-2019-18261 · GCVE-0-2019-18261

Omron PLC CS/PLC CJ/PLC NJ Brute Force excessive authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Omron PLC CS, PLC CJ and PLC NJ. The impacted element is an unknown function. This manipulation causes excessive authentication (Brute Force). This vulnerability appears as CVE-2019-18261. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Omron PLC CS, PLC CJ and PLC NJ (SCADA Software) (affected version unknown) and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a excessive authentication vulnerability (Brute Force). The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. The summary by CVE is:

In Omron PLC CS series, all versions, Omron PLC CJ series, all versions, and Omron PLC NJ series, all versions, the software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.

The weakness was presented 12/16/2019. This vulnerability is known as CVE-2019-18261 since 10/22/2019. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 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

SCADA Software

Vendor

Omron

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Brute Force
Class: Excessive authentication / Brute Force
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/22/2019 🔍
12/16/2019 +55 days 🔍
12/17/2019 +1 days 🔍
03/12/2024 +1547 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Not defined

CVE: CVE-2019-18261 (🔍)
GCVE (CVE): GCVE-0-2019-18261
GCVE (VulDB): GCVE-100-147253

Entryinfo

Created: 12/17/2019 09:09
Updated: 03/12/2024 13:07
Changes: 12/17/2019 09:09 (35), 12/17/2019 09:14 (17), 03/12/2024 13:07 (4)
Complete: 🔍
Cache ID: 216::103