9.8
CRITICAL
CVE-2020-35729
KLog Server OS Command Injection Vulnerability
Description

KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter.

INFO

Published Date :

Dec. 27, 2020, 5:15 a.m.

Last Modified :

Feb. 18, 2021, 2:41 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-35729 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-35729 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 Klogserver klog_server
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-2020-35729.

URL Resource
http://packetstormsecurity.com/files/160798/Klog-Server-2.4.1-Command-Injection.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/161123/Klog-Server-2.4.1-Command-Injection.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/161410/Klog-Server-2.4.1-Command-Injection.html Exploit Third Party Advisory VDB Entry
https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/Exploit_Code Exploit Third Party Advisory
https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/README.md Exploit 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).

在公网收集的gobypoc+部分自己加的poc

Updated: 6 days, 2 hours ago
106 stars 7 fork 7 watcher
Born at : July 28, 2023, 4:28 p.m. This repo has been linked 296 different CVEs too.

None

Python Go

Updated: 22 hours, 29 minutes ago
571 stars 136 fork 136 watcher
Born at : Nov. 25, 2022, 5:20 a.m. This repo has been linked 174 different CVEs too.

None

Python XSLT

Updated: 1 day, 11 hours ago
19 stars 5 fork 5 watcher
Born at : May 22, 2021, 4:29 p.m. This repo has been linked 350 different CVEs too.

CVE-2020-35729

cve-2020-35729 exploit klogserver

Python

Updated: 3 months, 1 week ago
5 stars 0 fork 0 watcher
Born at : April 9, 2021, 7:59 a.m. This repo has been linked 1 different CVEs too.

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 1 week ago
109 stars 34 fork 34 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1654 different CVEs too.

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

The following list is the news that have been mention CVE-2020-35729 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-35729 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]

    Feb. 18, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/161410/Klog-Server-2.4.1-Command-Injection.html No Types Assigned http://packetstormsecurity.com/files/161410/Klog-Server-2.4.1-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Feb. 15, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/161410/Klog-Server-2.4.1-Command-Injection.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jan. 28, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/160798/Klog-Server-2.4.1-Command-Injection.html No Types Assigned http://packetstormsecurity.com/files/160798/Klog-Server-2.4.1-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/161123/Klog-Server-2.4.1-Command-Injection.html No Types Assigned http://packetstormsecurity.com/files/161123/Klog-Server-2.4.1-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/161123/Klog-Server-2.4.1-Command-Injection.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 05, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/160798/Klog-Server-2.4.1-Command-Injection.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 29, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/Exploit_Code No Types Assigned https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/Exploit_Code Exploit, Third Party Advisory
    Changed Reference Type https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/README.md No Types Assigned https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/README.md Exploit, Third Party Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration OR *cpe:2.3:a:klogserver:klog_server:2.4.1:*:*:*:*:*:*:*
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-2020-35729 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

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

96.71 }} -0.03%

score

0.99705

percentile

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