What is CVE-2020-3927?

CVE-2020-3927 is a high-severity vulnerability in Changing Servisign Windows Versions, classified under Files or Directories Accessible to External Parties. CVSS score: 8.3/10. Published 2020-02-03.

How severe is CVE-2020-3927?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Changing Servisign Windows Versions

CVE-2020-3927

An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the specific API function, they may access arbitrary files on target system via crafted API parameter.

EPSS: 0.012 (65.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Changing Servisign Windows Versions — versions 0
Changingtec Servisign
Microsoft Windows

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

References

twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)
twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-3927?: CVE-2020-3927 is a high-severity vulnerability in Changing Servisign Windows Versions, classified under Files or Directories Accessible to External Parties. CVSS score: 8.3/10. Published 2020-02-03.
How severe is CVE-2020-3927?: High severity. CVSS v3 base score is 8.3 out of 10.