6.5
MEDIUM
CVE-2020-7052
CODESYS Gateway HMI Memory Allocation DOS
Description

CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.

INFO

Published Date :

Jan. 24, 2020, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:36 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-7052 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 Codesys gateway
2 Codesys control_runtime_system_toolkit
3 Codesys hmi
4 Codesys safety_sil2
5 Codesys control_for_beaglebone
6 Codesys control_for_empc-a\/imx6
7 Codesys control_for_iot2000
8 Codesys control_for_linux
9 Codesys control_for_pfc100
10 Codesys control_for_pfc200
11 Codesys control_for_plcnext
12 Codesys control_for_raspberry_pi
13 Codesys control_rte
14 Codesys control_win
15 Codesys simulation_runtime
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-2020-7052.

URL Resource
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download= Vendor Advisory
https://www.tenable.com/security/research/tra-2020-04 Exploit Third Party Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download= Vendor Advisory
https://www.tenable.com/security/research/tra-2020-04 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).

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

The following list is the news that have been mention CVE-2020-7052 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7052 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download=
    Added Reference https://www.tenable.com/security/research/tra-2020-04
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-400 CWE-770
  • Initial Analysis by [email protected]

    Jan. 30, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download= No Types Assigned https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12977&token=33f948eed0c2fd69d238d9515779be337ef7592d&download= Vendor Advisory
    Changed Reference Type https://www.tenable.com/security/research/tra-2020-04 No Types Assigned https://www.tenable.com/security/research/tra-2020-04 Exploit, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:* versions from (including) 3.5.8.60 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:* versions from (including) 3.5.8.60 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:* versions from (including) 3.5.9.80 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:* versions from (including) 3.5.15.10 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:* versions from (including) 3.5.10.0 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.15.30 *cpe:2.3:a:codesys:simulation_runtime:*:*:*:*:*:*:*:* versions from (including) 3.5.9.40 up to (excluding) 3.5.15.30
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-2020-7052 is associated with the following CWEs:

Exploit Prediction

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

0.09 }} -0.06%

score

0.38383

percentile

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