// For flags

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
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* 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
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