Buffer overflow in Rockwellautomation Factorytalk Linx
CVE-2020-27255
A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious set attribute requests, which could result in the leaking of sensitive information. This information disclosure could lead to the bypass of address space layout randomization (ASLR).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.039 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.039 · change: +0.006
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-2020-27255?
- CVE-2020-27255 is a high-severity vulnerability in Rockwellautomation Factorytalk Linx, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2020-11-26.
- How severe is CVE-2020-27255?
- High severity. CVSS v3 base score is 7.5 out of 10.