Intrusion PreventionSitecore.Experience.ViewState.Insecure.Deserialization
Description
This indicates an attack attempt to exploit an Insecure Deserialization Vulnerability in Sitecore Experience.
The vulnerability is due to insufficient validation of user-supplied inputs. A remote attacker can exploit this vulnerability by sending a crafted request to the target system. Successful exploitation results in remote code execution.
Affected Products
Sitecore Experience Manager (XM) through 9.0
Sitecore Experience Platform (XP) through 9.0
Impact
System Compromise: Remote attackers can gain control of vulnerable systems.
Recommended Actions
Apply the most recent upgrade or patch from the vendor.
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865
Coverage
| IPS (Regular DB) | |
| IPS (Extended DB) |
Version Updates
| ID | 60020 |
| Created | Jan 19, 2026 |
| Updated | Feb 02, 2026 |
| CVE ID | |
| Tags | Threat Signal |
| Risk |
|
| Known Exploited | Yes |
| Exploit Prediction Score | 10.07% |
| Default Action | drop |
| Active | |
| Affected OS | Windows |
| Affected App | ASP_app |
| Profile Type | Permission/Privilege/Access Control |