Is CVE-2020-8963 actively exploited?

No active exploitation of CVE-2020-8963 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-8963 be exploited remotely?

Yes. CVE-2020-8963 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-8963?

CVE-2020-8963 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-8963

CRITICAL

CVE-2020-8963

CWE-78Published: February 13, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TimeTools SC7105 1.0.007, SC9205 1.0.007, SC9705 1.0.007, SR7110 1.0.007, SR9210 1.0.007, SR9750 1.0.007, SR9850 1.0.007, T100 1.0.003, T300 1.0.003, and T550 1.0.003 devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in the t3.cgi srmodel or srtime parameter.

NVD Source

Technical Analysis

CVE-2020-8963 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.