Buffer overflow in Rockwellautomation Factorytalk Linx
CVE-2020-27251
A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.068 (93.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.068 · change: +0.011
Affected products
- Rockwellautomation Factorytalk Linx
- Factorytalk Linx — versions Version 6.11 and prior
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-20-329-01 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27251?
- CVE-2020-27251 is a critical-severity vulnerability in Rockwellautomation Factorytalk Linx, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-11-26.
- How severe is CVE-2020-27251?
- Critical severity. CVSS v3 base score is 9.8 out of 10.