7.5
HIGH
CVE-2018-20025
CODESYS V3 Predictable Random Number Generator
Description

Use of Insufficiently Random Values exists in CODESYS V3 products versions prior V3.5.14.0.

INFO

Published Date :

Feb. 19, 2019, 9:29 p.m.

Last Modified :

April 2, 2019, 3:29 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2018-20025 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 development_system
3 Codesys hmi_sl
4 Codesys control_for_beaglebone_sl
5 Codesys control_for_empc-a\/imx6_sl
6 Codesys control_for_iot2000_sl
7 Codesys control_for_linux_sl
8 Codesys control_for_pfc100_sl
9 Codesys control_for_pfc200_sl
10 Codesys control_for_raspberry_pi_sl
11 Codesys control_rte_sl
12 Codesys control_rte_sl_\(for_beckhoff_cx\)
13 Codesys control_win_sl
14 Codesys safety_sil2
15 Codesys control_runtime_toolkit
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-2018-20025.

URL Resource
http://www.securityfocus.com/bid/106251 Third Party Advisory VDB Entry
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-037-codesys-control-v3-use-of-insufficiently-random-values/ Mitigation Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04

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-2018-20025 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-20025 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
  • CVE Modified by [email protected]

    Apr. 02, 2019

    Action Type Old Value New Value
    Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 21, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-037-codesys-control-v3-use-of-insufficiently-random-values/ No Types Assigned https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-037-codesys-control-v3-use-of-insufficiently-random-values/ Mitigation, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/106251 No Types Assigned http://www.securityfocus.com/bid/106251 Third Party Advisory, VDB Entry
    Added CWE CWE-330
    Added CPE Configuration OR *cpe:2.3:a:codesys:control_for_beaglebone_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_for_iot2000_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_for_linux_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_for_pfc100_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_for_pfc200_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_for_raspberry_pi_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_rte_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_rte_sl_\(for_beckhoff_cx\):*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_runtime_toolkit:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:control_win_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:hmi_sl:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0 *cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:* versions from (including) 3.0 up to (excluding) 3.5.14.0
  • CVE Modified by [email protected]

    Feb. 20, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/106251 [No Types Assigned]
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-2018-20025 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-2018-20025 weaknesses.

Exploit Prediction

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

0.24 }} -0.10%

score

0.62181

percentile

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