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
FH
FactoryTalk Historian SE · Rockwell Automation
v11 · source: vendor
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
