Kunbus PR100088 Modbus Gateway prior R02 Web Interface missing authentication
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.7 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Kunbus PR100088 Modbus Gateway. This issue affects an unknown code of the component Web Interface. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166).
The bug was discovered 02/05/2019. The weakness was presented 02/05/2019 as ICSA-19-036-05 as confirmed security advisory (Website) via ICS-CERT. The advisory is shared at ics-cert.us-cert.gov. The public release was coordinated in cooperation with Kunbus. The identification of this vulnerability is CVE-2019-6533 since 01/22/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
Upgrading to version R02 eliminates this vulnerability. The upgrade is hosted for download at kunbus.com.
See 130672, 130674, 130675 and 130676 for similar entries.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.1VulDB Meta Temp Score: 9.0
VulDB Base Score: 8.3
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
Researcher Base Score: 10.0
Researcher Vector: 🔍
NVD Base Score: 9.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Missing authenticationCWE: CWE-306 / CWE-287
ATT&CK: Unknown
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PR100088 Modbus Gateway R02
Timeline
01/22/2019 🔍02/05/2019 🔍
02/05/2019 🔍
02/09/2019 🔍
05/09/2020 🔍
Sources
Advisory: ICSA-19-036-05Status: Confirmed
Coordinated: 🔍
CVE: CVE-2019-6533 (🔍)
See also: 🔍
Entry
Created: 02/09/2019 09:31Updated: 05/09/2020 11:29
Changes: 02/09/2019 09:31 (71), 05/09/2020 11:29 (2)
Complete: 🔍
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