9.8
CRITICAL
CVE-2017-16920
FineCms Unauthenticated Remote File Upload Vulnerability
Description

v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.

INFO

Published Date :

Nov. 21, 2017, 1:29 p.m.

Last Modified :

Oct. 3, 2019, 12:03 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-16920 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 Finecms finecms
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-2017-16920.

URL Resource
https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882 Patch Third Party Advisory
https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg 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-2017-16920 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-16920 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
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-320 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Dec. 11, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882 No Types Assigned https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882 Patch, Third Party Advisory
    Changed Reference Type https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg No Types Assigned https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg Third Party Advisory
    Added CWE CWE-320
    Added CPE Configuration OR *cpe:2.3:a:finecms:finecms:5.2.0:*:*:*:*:*:*:*
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-2017-16920 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-2017-16920 weaknesses.

Exploit Prediction

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

0.79 }} -0.33%

score

0.79674

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability