CVE-2023-1618
Authentication Bypass Vulnerability in MELSEC WS Series Ethernet Interface Module
Severity Score
8.6
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet which is hidden function and is enabled by default when shipped from the factory. As a result, a remote attacker with unauthorized login can reset the module, and if certain conditions are met, he/she can disclose or tamper with the module's configuration or rewrite the firmware.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-03-24 CVE Reserved
- 2023-05-19 CVE Published
- 2024-06-20 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-489: Active Debug Code
- CWE-1188: Initialization of a Resource with an Insecure Default
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://jvn.jp/vu/JVNVU96063959 | Third Party Advisory | |
| https://www.cisa.gov/news-events/ics-advisories/icsa-23-138-02 | Mitigation |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-002_en.pdf | 2023-08-23 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Ws0-geth00200 Firmware Search vendor "Mitsubishielectric" for product "Melsec Ws0-geth00200 Firmware" | * | - |
Affected
| in | Mitsubishielectric Search vendor "Mitsubishielectric" | Melsec Ws0-geth00200 Search vendor "Mitsubishielectric" for product "Melsec Ws0-geth00200" | - | - |
Safe
|