Is CVE-2020-5756 actively exploited?

CVE-2020-5756 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-5756?

CVE-2020-5756 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-5756?

Patch guidance is available from grandstream security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-5756.

Which products are affected by CVE-2020-5756?

1 product: grandstream gwn7000 firmware.

Fix CVE-2020-5756 - HIGH grandstream gwn7000 firmware

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-489 CWE-78 · OS Command Injection

Metadata

Primary Vendor: GRANDSTREAM
Published: 7/17/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-5756

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary