CVEvulnerability

CVE-2020-5763

8.8 HIGH Published 2020-07-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-07-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Weaknesses
CWE-326, CWE-489

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.

Affected configurations

• grandstream ht801 firmware (<= 1.0.17.5) • grandstream ht802 firmware (<= 1.0.17.5) • grandstream ht812 firmware (<= 1.0.17.5) • grandstream ht814 firmware (<= 1.0.17.5) • grandstream ht818 firmware (<= 1.0.17.5) • grandstream ht813 firmware (<= 1.0.17.5)

Related

Weakness · CWE (2)

  • CWE-326 Inadequate Encryption Strength weakness
  • CWE-489 Active Debug Code weakness

References