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.

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

EPSS: 0.055 (91.7th percentile) — read the EPSS interpretation.

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.

Affected products

Rockwellautomation Factorytalk_linx
N/a Factorytalk Linx — versions Version 6.11 and prior

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

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.