CVE-2020-5761

HIGH

Description

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.

References

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

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

Details

Source: MITRE

Published: 2020-07-29

Updated: 2020-07-31

Type: CWE-835

Risk Information

CVSS v2.0

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

AND

OR

cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:grandstream:ht801:-:*:*:*:*:*:*:*

Configuration 2

AND

OR

cpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:grandstream:ht802:-:*:*:*:*:*:*:*

Configuration 3

AND

OR

cpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:grandstream:ht812:-:*:*:*:*:*:*:*

Configuration 4

AND

OR

cpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:grandstream:ht814:-:*:*:*:*:*:*:*

Configuration 5

AND

OR

cpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:grandstream:ht818:-:*:*:*:*:*:*:*

Configuration 6

AND

OR

cpe:2.3:o:grandstream:ht813_firmware:*:*:*:*:*:*:*:*

OR

cpe:2.3:h:grandstream:ht813:-:*:*:*:*:*:*:*