What is CVE-2020-5763?

CVE-2020-5763 is a high-severity vulnerability in Grandstream Ht801, classified under Active Debug Code. CVSS score: 8.8/10. Published 2020-07-29.

How severe is CVE-2020-5763?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Grandstream Ht801

CVE-2020-5763

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.

EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Grandstream Ht801
Grandstream Ht801_firmware
Grandstream Ht802
Grandstream Ht802_firmware
Grandstream Ht812
Grandstream Ht812_firmware
Grandstream Ht813
Grandstream Ht813_firmware
Grandstream Ht814
Grandstream Ht814_firmware

Weakness classification (CWE)

CWE-489 — Active Debug Code
CWE-326 — Inadequate Encryption Strength

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)
vulnreport@tenable.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5763?: CVE-2020-5763 is a high-severity vulnerability in Grandstream Ht801, classified under Active Debug Code. CVSS score: 8.8/10. Published 2020-07-29.
How severe is CVE-2020-5763?: High severity. CVSS v3 base score is 8.8 out of 10.