CVE-2021-46559
Moxa TN-5900 Firmware Upgrade Checksum Validation
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.
El firmware de los dispositivos Moxa TN-5900 versiones hasta 3.1, presenta un algoritmo débil que permite a un atacante vencer un mecanismo de inspección para la protección de la integridad
Moxa TN-5900 versions 3.1.0 and below use an insecure method to validate firmware updates. A malicious user with access to the management interface can upload arbitrary code in a crafted
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-01-26 CVE Reserved
- 2022-01-26 CVE Published
- 2023-08-18 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-345: Insufficient Verification of Data Authenticity
CAPEC
References (1)
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Moxa Search vendor "Moxa" | Tn-5900 Firmware Search vendor "Moxa" for product "Tn-5900 Firmware" | <= 3.1 Search vendor "Moxa" for product "Tn-5900 Firmware" and version " <= 3.1" | - |
Affected
| in | Moxa Search vendor "Moxa" | Tn-5900 Search vendor "Moxa" for product "Tn-5900" | - | - |
Safe
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