Vulnerability Details : CVE-2020-5756
Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. An attacker can use this functionality to execute arbitrary OS commands on the router.
Products affected by CVE-2020-5756
- cpe:2.3:o:grandstream:gwn7000_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5756
1.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5756
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-5756
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
-
The product is deployed to unauthorized actors with debugging code still enabled or active, which can create unintended entry points or expose sensitive information.Assigned by: vulnreport@tenable.com (Secondary)
References for CVE-2020-5756
-
https://www.tenable.com/cve/CVE-2020-5756
CVE-2020-5756 | Tenable®Exploit;Third Party Advisory
-
https://www.tenable.com/security/research/tra-2020-41
MX Player Android App Directory Traversal - Research Advisory | Tenable®Not Applicable
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