Attacker Value
Unknown
0
CVE-2021-27424
0
CVE ID
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CVE-2021-27424
(Last updated February 23, 2025) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Persistence
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Description
GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
5.3 Medium
Impact Score:
1.4
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
None
Availability (A):
None
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
UR family 8.1x
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
Products
- multilin b30 firmware,
- multilin b90 firmware,
- multilin c30 firmware,
- multilin c60 firmware,
- multilin c70 firmware,
- multilin c95 firmware,
- multilin d30 firmware,
- multilin d60 firmware,
- multilin f35 firmware,
- multilin f60 firmware,
- multilin g30 firmware,
- multilin g60 firmware,
- multilin l30 firmware,
- multilin l60 firmware,
- multilin l90 firmware,
- multilin m60 firmware,
- multilin n60 firmware,
- multilin t35 firmware,
- multilin t60 firmware
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
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