CVE-2025-53690

Sitecore — Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

CISA KEV · in the CISA KEV catalog since 2025-09-04

What EVULNABLE says

EVULNABLE Risk · priority 76/100 Urgent Intelligence coverage 75/90 — no pre-patch disclosure data
Overdue by 11 monthsCISA KEVActively Exploited

Why it matters: Listed in the CISA KEV catalog, and Confirmed exploitation in the wild.

Patch This Cycle

The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.

The evidence behind it

Published measurements for CVE-2025-53690
MeasureValueSource
CVSS base score 9.0 NVD
FIRST EPSS 0.511 (98.9th pctl) FIRST
Actively exploited Confirmed CISA KEV
Ransomware campaign use Unknown or none CISA KEV
CISA remediation deadline 2025-09-25 — Overdue by 11 months CISA KEV
Intelligence coverage 75/90 — no pre-patch disclosure data

What CISA says to do

This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.