CVE-2020-5763

High

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductGrandstream Ht801 Firmware
PublishedJul 29, 2020
First seenJul 29, 2020
Weakness typeCWE-489CWE-489

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
grandstream ht801_firmwarev ≤ 1.0.17.5—
grandstream ht802_firmwarev ≤ 1.0.17.5—
grandstream ht812_firmwarev ≤ 1.0.17.5—
grandstream ht814_firmwarev ≤ 1.0.17.5—
grandstream ht818_firmwarev ≤ 1.0.17.5—
grandstream ht813_firmwarev ≤ 1.0.17.5—

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