Vulnerability Details : CVE-2020-12498
mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.
Vulnerability category: Execute code
Exploit prediction scoring system (EPSS) score for CVE-2020-12498
Probability of exploitation activity in the next 30 days: 0.38%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 73 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-12498
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
CERT VDE |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-12498
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: info@cert.vde.com (Secondary)
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12498
-
https://cert.vde.com/de-de/advisories/vde-2020-023
PHOENIX CONTACT: Two Vulnerabilities in Automation Worx Suite — German (Germany)Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-20-826/
ZDI-20-826 | Zero Day InitiativeThird Party Advisory
Products affected by CVE-2020-12498
- cpe:2.3:a:phoenixcontact:pc_worx_express:*:*:*:*:*:*:*:*
- cpe:2.3:a:phoenixcontact:pc_worx:*:*:*:*:*:*:*:*