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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.147 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.147 · newest: 0.147 · change: 0.000
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
- cert.vde.com/de-de/advisories/vde-2020-023 (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-20-825/ (VDB Entry, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-398/ (VDB Entry, Third Party Advisory)
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.