01 Record
CVE-2020-3923
TONNET DVR – Broken Access Control
HighPUBLISHEDCNA: twcert
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
TONNET DVR – Broken Access Control
03 Exploitation and scoring
- 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
- 1.67% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.4% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/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.
04 Metadata
- Published
- 2020-02-27 04:00Z6 YR AGO
- Last updated
- 2024-09-16 20:26Z2 YR AGO
- Reserved
- 2019-12-20
- Assigning CNA
- twcert
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.1
- Document digest
- 0de972ffe3ff93f04760f1d001e75a05c560318fc820e420d18b9959a3489f1a
05 Affected products
VendorProductVersionsPlatforms
06 References
- tvn.twcert.org.twhttps://tvn.twcert.org.tw/taiwanvn/TVN-201910003
- www.chtsecurity.comhttps://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf
07 Remediation
Update to ver. 20191216 in TAT-76 series Update to ver. 20200213 in TAT-77 series