Critical severity · published Jun 16, 2026
CVE-2025-13036
Rockwell Automation FactoryTalk Historian Site Edition - Authentication Bypass
9.2
CVSS
0.3%
EPSS
No
On KEV
Description
An authentication bypass security issue exists within FactoryTalk Historian Site Edition. By continually sending requests to the login endpoint, an attacker may obtain a valid authentication token.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
In the news
VulnerabilityHigh
Rockwell Automation FactoryTalk Historian Site Edition
View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to obtain a valid authentication token, perform a denial of service, or crash the system. The following versions of Rockwell Automation FactoryTalk Historian Site Edition are affected: FactoryTalk Historian SE 11 (CVE-2025-13036) FactoryTalk Historian SE <=11.00 (CVE-2025-44019) FactoryTalk Historian SE <=11.00 (CVE-2025-36539) CVSS Vendor Equipment Vulnerabilities v3 7.7 Rockwell Automation Rockwell Automation FactoryTalk Historian Site Edition Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'), Uncaught Exception Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2025-13036 An authentication bypass security issue exists within FactoryTalk Historian Site Edition. By continually sending requests to the login endpoint, an attacker may obtain a valid authentication token. View CVE Details Affected Products Rockwell Automation FactoryTalk Historian Site Edition Vendor: Rockwell Automation Product Version: Rockwell Automation FactoryTalk Historian SE: 11 Product Status: known_affected Remediations Mitigation Rockwell Automation recommends the following: Mitigations and Workarounds for CV...
Jun 18, 2026·CISA Advisories