7.8
HIGH
CVE-2020-12497
Phoenix Contact PC Worx and PC Worx Express XML Parser Stack Overflow Vulnerability
Description

PLCopen XML file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier can lead to a stack-based overflow. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.

INFO

Published Date :

July 1, 2020, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 4:59 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2020-12497 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 Phoenixcontact pc_worx
2 Phoenixcontact pc_worx_express
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-2020-12497.

URL Resource
https://cert.vde.com/de-de/advisories/vde-2020-023 Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-825/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-398/ Third Party Advisory VDB Entry
https://cert.vde.com/de-de/advisories/vde-2020-023 Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-825/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-398/ Third Party Advisory VDB Entry

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-2020-12497 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-12497 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://cert.vde.com/de-de/advisories/vde-2020-023
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-20-825/
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-21-398/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jan. 28, 2023

    Action Type Old Value New Value
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-20-825/ Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-825/ Third Party Advisory, VDB Entry
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-398/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-398/ Third Party Advisory, VDB Entry
    Added CWE CVMAP Excluded CWE-787
  • CVE Modified by [email protected]

    Mar. 31, 2021

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-21-398/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 10, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://cert.vde.com/de-de/advisories/vde-2020-023 No Types Assigned https://cert.vde.com/de-de/advisories/vde-2020-023 Vendor Advisory
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-20-825/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-20-825/ Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:phoenixcontact:pc_worx:*:*:*:*:*:*:*:* versions up to (excluding) 1.87 *cpe:2.3:a:phoenixcontact:pc_worx_express:*:*:*:*:*:*:*:* versions up to (including) 1.87
  • CVE Modified by [email protected]

    Jul. 10, 2020

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-20-825/ [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-2020-12497 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-2020-12497 weaknesses.

Exploit Prediction

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

3.68 }} -12.07%

score

0.91612

percentile

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