02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: tenableGrandstream 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.
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.73% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 84.8% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2020-07-29 18:51Z6 YR AGO
- Last updated
- 2024-08-04 08:39Z2 YR AGO
- Reserved
- 2020-01-06
- Assigning CNA
- tenable
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-489Active Debug CodeBase
- CWE-326Inadequate Encryption StrengthClass
- Data version
- 5.1
- Document digest
- 26d672bce2790e7d9ec4538afae9cde5a853adf79e37ed1057f27a70edf334d9
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms