High severity · published Nov 26, 2020
CVE-2020-27253
A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior
7.5
CVSS
1.9%
EPSS
No
On KEV
Description
A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% 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-2020-27253
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27253
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01
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