CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2020-5763
High (8.8) in grandstream. EPSS 2.7% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-326, CWE-489
- Published
- Modified
- Record from
- the NVD, synced
Affected
- grandstream:ht801_firmware
- grandstream:ht802_firmware
- grandstream:ht812_firmware
- grandstream:ht813_firmware
- grandstream:ht814_firmware
- grandstream:ht818_firmware