Is CVE-2020-5763 actively exploited?

CVE-2020-5763 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-5763?

CVE-2020-5763 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-2020-5763?

Patch guidance is available from grandstream security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-5763.

Fix CVE-2020-5763 - HIGH grandstream ht801 firmware

Q: Which products are affected by CVE-2020-5763?

6 products: grandstream ht801 firmware, grandstream ht802 firmware, grandstream ht812 firmware, grandstream ht814 firmware, grandstream ht818 firmware, and 1 more.

Description

Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt.

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-326

Metadata

Primary Vendor: GRANDSTREAM
Published: 7/29/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

grandstream : ht801_firmwaregrandstream : ht802_firmwaregrandstream : ht812_firmwaregrandstream : ht814_firmwaregrandstream : ht818_firmwaregrandstream : ht813_firmware

Remediation Guidance

Executive Summary

View on NIST NVD