Buffer overflow in Phoenix Contact Automation Worx
CVE-2020-12497
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.
Vulnerability class: Buffer Overflow
EPSS: 0.147 (96.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Phoenix Contact Automation Worx — versions unspecified
- Phoenix Contact Automation Worx Express — versions unspecified
- Phoenixcontact Pc_worx
- Phoenixcontact Pc_worx_express
Weakness classification (CWE)
Public proof-of-concept exploits
References
- info@cert.vde.com (x_refsource_CONFIRM, Vendor Advisory)
- info@cert.vde.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- info@cert.vde.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-12497?
- CVE-2020-12497 is a high-severity vulnerability in Phoenix Contact Automation Worx, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2020-07-01.
- How severe is CVE-2020-12497?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-12497 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.