8.3
HIGH
CVE-2020-3927
ServiSign Security Plugin Remote File Inclusion Vulnerability
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.

INFO

Published Date :

Feb. 3, 2020, 11:15 a.m.

Last Modified :

May 25, 2022, 7:28 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2020-3927 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Changingtec servisign
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3927.

URL Resource
https://tvn.twcert.org.tw/taiwanvn/TVN-201910007 Third Party Advisory
https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-3927 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3927 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    May. 25, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce No Types Assigned https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 11, 2020

    Action Type Old Value New Value
    Added Reference https://www.chtsecurity.com/news/1179d48b-7609-4f67-9d7e-3bac2979c6ce [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 10, 2020

    Action Type Old Value New Value
    Removed CVSS V3.1 [email protected] AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
    Added CVSS V3.1 TWCERT/CC AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
  • CVE Modified by [email protected]

    Feb. 10, 2020

    Action Type Old Value New Value
    Added CVSS V3.1 [email protected] AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
  • Initial Analysis by [email protected]

    Feb. 05, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:C/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://tvn.twcert.org.tw/taiwanvn/TVN-201910007 No Types Assigned https://tvn.twcert.org.tw/taiwanvn/TVN-201910007 Third Party Advisory
    Added CWE NIST CWE-552
    Added CPE Configuration AND OR *cpe:2.3:a:changingtec:servisign:*:*:*:*:*:*:*:* versions up to (including) 1.0.19.0617 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-3927 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-3927 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.28868

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability