CVE-2020-16234 json
FATEK Automation PLC WinProladder
published 2020-09-30 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-8200
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely execute arbitrary code.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-254-02 updated cvss 7.8
FATEK Automation PLC WinProladder
-
FATEK Automation PLC WinProladder <= 3.28affected: mitigation fatek.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- FATEK Automation PLC WinProladder
Classification
- Weakness
-
- CWE-121 Stack-based Buffer Overflow
References
-
us-cert.cisa.gov
/ics/advisories/icsa-20-254-02
mitigation, third-party-advisory, us-government-resource
Sources
- CVE List CVE-2020-16234
- NVD CVE-2020-16234
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.