CVE-2020-3927

HIGH EPSS 64.5%

Published Feb 3, 20206y ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Feb 3, 2020 6y ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

64.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-552

Affected Products 2

Vendor	Product	Version	Range
changingtec	servisign	*	≤1.0.19.0617
microsoft	windows	*	any

References 2

tvn.twcert.org.tw https://tvn.twcert.org.tw/taiwanvn/TVN-201910007

Third Party Advisory
chtsecurity.com https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce

Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.