CVE-2021-37915
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. From the limited configuration shell, it is possible to set the malicious gdb_debug_server variable. As a result, after a reboot, the device downloads and executes malicious scripts from an attacker-defined host.
Se ha detectado un problema en Grandstream HT801 Analog Telephone Adaptor versiones anteriores a 1.0.29.8. Desde el shell de configuración limitada, es posible establecer la variable maliciosa gdb_debug_server. Como resultado, después de un reinicio, el dispositivo descarga y ejecuta scripts maliciosos desde un host definido por el atacante
*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
- 2021-08-02 CVE Reserved
- 2021-10-28 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2024-09-19 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf | Broken Link |
| URL | Date | SRC |
|---|---|---|
| https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801 | 2021-11-02 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Grandstream Search vendor "Grandstream" | Ht801 Firmware Search vendor "Grandstream" for product "Ht801 Firmware" | < 1.0.29.8 Search vendor "Grandstream" for product "Ht801 Firmware" and version " < 1.0.29.8" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht801 Search vendor "Grandstream" for product "Ht801" | - | - |
Safe
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