5.3
MEDIUM
CVE-2020-14504
"Schneider Electric 1734-AENTR Authentication Bypass (Modification of Configuration Settings)"
Description

The web interface of the 1734-AENTR communication module mishandles authentication for HTTP POST requests. A remote, unauthenticated attacker can send a crafted request that may allow for modification of the configuration settings.

INFO

Published Date :

Feb. 24, 2022, 7:15 p.m.

Last Modified :

July 25, 2022, 10:25 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-14504 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 Rockwellautomation 1734-aentr_point_i\/o_dual_port_network_adaptor_series_b_firmware
2 Rockwellautomation 1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware
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-2020-14504.

URL Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-063-01 Mitigation Third Party Advisory US Government Resource

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-2020-14504 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-14504 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
  • Reanalysis by [email protected]

    Jul. 25, 2022

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

    Mar. 07, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://www.cisa.gov/uscert/ics/advisories/icsa-21-063-01 No Types Assigned https://www.cisa.gov/uscert/ics/advisories/icsa-21-063-01 Mitigation, Third Party Advisory, US Government Resource
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b_firmware:*:*:*:*:*:*:*:* versions from (including) 4.001 up to (including) 4.005 *cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b_firmware:*:*:*:*:*:*:*:* versions from (including) 5.011 up to (including) 5.017 OR cpe:2.3:h:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware:6.011:*:*:*:*:*:*:* *cpe:2.3:o:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c_firmware:6.012:*:*:*:*:*:*:* OR cpe:2.3:h:rockwellautomation:1734-aentr_point_i\/o_dual_port_network_adaptor_series_c:-:*:*:*:*:*:*:*
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-2020-14504 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-2020-14504 weaknesses.

CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration CAPEC-479: Malicious Root Certificate Malicious Root Certificate CAPEC-502: Intent Spoof Intent Spoof CAPEC-503: WebView Exposure WebView Exposure CAPEC-536: Data Injected During Configuration Data Injected During Configuration CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment CAPEC-550: Install New Service Install New Service CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-552: Install Rootkit Install Rootkit CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers CAPEC-558: Replace Trusted Executable Replace Trusted Executable CAPEC-562: Modify Shared File Modify Shared File CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot CAPEC-564: Run Software at Logon Run Software at Logon CAPEC-578: Disable Security Software Disable Security Software CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data Utilizing REST's Trust in the System Resource to Obtain Sensitive Data CAPEC-94: Adversary in the Middle (AiTM) Adversary in the Middle (AiTM) CAPEC-114: Authentication Abuse Authentication Abuse CAPEC-115: Authentication Bypass Authentication Bypass CAPEC-151: Identity Spoofing Identity Spoofing CAPEC-194: Fake the Source of Data Fake the Source of Data CAPEC-593: Session Hijacking Session Hijacking CAPEC-633: Token Impersonation Token Impersonation CAPEC-650: Upload a Web Shell to a Web Server Upload a Web Shell to a Web Server
Exploit Prediction

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

0.06 }} 0.00%

score

0.28252

percentile

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