Vulnerability Details : CVE-2020-5761
Potential exploit
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.
Products affected by CVE-2020-5761
- cpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:grandstream:ht813_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5761
2.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5761
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-5761
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by:
- nvd@nist.gov (Primary)
- vulnreport@tenable.com (Secondary)
References for CVE-2020-5761
-
https://www.tenable.com/security/research/tra-2020-43
Grandstream ATA HT800 Series Multiple Vulnerabilities - Research Advisory | Tenable®Exploit;Third Party Advisory
-
https://www.tenable.com/security/research/tra-2020-47
Grandstream ATA HT800 Series Multiple Vulnerabilities - Research Advisory | Tenable®Third Party Advisory;VDB Entry
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