Critical severity · published Nov 26, 2020
CVE-2020-27251
A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior
9.8
CVSS
6.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.8% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
Factorytalk Linx · Rockwellautomation
through 6.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27251
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01
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