DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.
Published 2020-02-27 04:15:11
Updated 2021-07-21 11:39:24
Source TWCERT/CC
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-3924

0.24%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3924

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST
6.4
MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
0.5
5.9
TWCERT/CC

CWE ids for CVE-2020-3924

References for CVE-2020-3924

Products affected by CVE-2020-3924

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