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CVE-2021-37915

Published: Oct 28, 2021Updated: Nov 21, 2024 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
8.8CVSSHIGH
EPSS Score
2.0%
Top 22.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

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
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Weaknesses

NVD-CWE-noinfo

Affected Products

ht801 firmwaregrandstreamCommunications
n/an/a
grandstreamcommercialUSCommunicationsaka grandstream networks

Exploitability

Official Patch Available

References

http://firmware.grandstream.com/BETA/Release_Note_HT80x_1.0.29.8.pdf
firmware.grandstream.com
http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801
grandstream.com
https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/
secforce.com

Timeline

Published
Oct 28, 2021
Last Updated
Nov 21, 2024

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