CVE-2020-5763
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
Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt.
Grandstream serie HT800 versiones de firmware 1.0.17.5 y posteriores, contiene una backdoor en el servicio SSH. Un atacante remoto autenticado puede obtener un root shell cuando responde correctamente una petición de desafío
*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
- 2020-01-06 CVE Reserved
- 2020-07-29 CVE Published
- 2024-04-15 EPSS Updated
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-326: Inadequate Encryption Strength
- CWE-489: Active Debug Code
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://www.tenable.com/security/research/tra-2020-47 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://www.tenable.com/security/research/tra-2020-43 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
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" | <= 1.0.17.5 Search vendor "Grandstream" for product "Ht801 Firmware" and version " <= 1.0.17.5" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht801 Search vendor "Grandstream" for product "Ht801" | - | - |
Safe
|
| Grandstream Search vendor "Grandstream" | Ht802 Firmware Search vendor "Grandstream" for product "Ht802 Firmware" | <= 1.0.17.5 Search vendor "Grandstream" for product "Ht802 Firmware" and version " <= 1.0.17.5" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht802 Search vendor "Grandstream" for product "Ht802" | - | - |
Safe
|
| Grandstream Search vendor "Grandstream" | Ht812 Firmware Search vendor "Grandstream" for product "Ht812 Firmware" | <= 1.0.17.5 Search vendor "Grandstream" for product "Ht812 Firmware" and version " <= 1.0.17.5" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht812 Search vendor "Grandstream" for product "Ht812" | - | - |
Safe
|
| Grandstream Search vendor "Grandstream" | Ht814 Firmware Search vendor "Grandstream" for product "Ht814 Firmware" | <= 1.0.17.5 Search vendor "Grandstream" for product "Ht814 Firmware" and version " <= 1.0.17.5" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht814 Search vendor "Grandstream" for product "Ht814" | - | - |
Safe
|
| Grandstream Search vendor "Grandstream" | Ht818 Firmware Search vendor "Grandstream" for product "Ht818 Firmware" | <= 1.0.17.5 Search vendor "Grandstream" for product "Ht818 Firmware" and version " <= 1.0.17.5" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht818 Search vendor "Grandstream" for product "Ht818" | - | - |
Safe
|
| Grandstream Search vendor "Grandstream" | Ht813 Firmware Search vendor "Grandstream" for product "Ht813 Firmware" | <= 1.0.17.5 Search vendor "Grandstream" for product "Ht813 Firmware" and version " <= 1.0.17.5" | - |
Affected
| in | Grandstream Search vendor "Grandstream" | Ht813 Search vendor "Grandstream" for product "Ht813" | - | - |
Safe
|