High severity · published Nov 26, 2020
CVE-2020-27255
A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior
7.5
CVSS
3.9%
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 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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% 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-2020-27255
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27255
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01
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