Skip to main content

Factorytalk Linx CVE-2020-27255

HIGH
Heap-based Buffer Overflow (CWE-122)
2020-11-26 ics-cert@hq.dhs.gov
7.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
CVE Published
Nov 26, 2020 - 02:15 nvd
HIGH 7.5

DescriptionNVD

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).

AnalysisAI

A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. 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). Affected products include: Rockwellautomation Factorytalk Linx. Version information: Version 6.11.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2020-27251 CRITICAL
9.8 Nov 26

A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. Rated critical severity (CVSS 9.8),

CVE-2020-12001 CRITICAL
9.8 Jun 15

FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Versio

CVE-2023-29464 CRITICAL
9.1 Oct 13

FactoryTalk Linx, in the Rockwell Automation PanelView Plus, allows an unauthenticated threat actor to read data from me

CVE-2020-11999 HIGH
8.1 Jun 15

FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Versio

CVE-2020-5802 HIGH
7.5 Dec 29

An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a special

CVE-2020-5801 HIGH
7.5 Dec 29

An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled ex

CVE-2020-27253 HIGH
7.5 Nov 26

A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. Rated high severity (CVSS

CVE-2020-12005 HIGH
7.5 Jun 15

FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Versio

CVE-2020-12003 HIGH
7.5 Jun 15

FactoryTalk Linx versions 6.00, 6.10, and 6.11, RSLinx Classic v4.11.00 and prior,Connected Components Workbench: Versio

CVE-2020-5806 MEDIUM
5.5 Dec 29

An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseL

CVE-2025-7972 HIGH
8.4 Aug 14

A security issue exists within the FactoryTalk Linx Network Browser. Rated high severity (CVSS 8.4), this vulnerability

Share

CVE-2020-27255 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy