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CVE-2020-5763

Published: Jul 29, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-489
NVD MITRE
8.8CVSSHIGH
EPSS Score
2.7%
Top 15.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-489CWE-326

Affected Products

Grandstream HT800 Seriesn/a
ht801 firmwaregrandstreamCommunications
ht802 firmwaregrandstreamCommunications
ht812 firmwaregrandstreamCommunications
ht814 firmwaregrandstreamCommunications
grandstreamcommercialUSCommunicationsaka grandstream networks
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Credential Access
View detailed technique mapping

References

https://www.tenable.com/security/research/tra-2020-43
tenable.com
https://www.tenable.com/security/research/tra-2020-47
tenable.com

Timeline

Published
Jul 29, 2020
Last Updated
Nov 21, 2024

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