Sitecore: every exploited CVE on CISA KEV
All 4 Sitecore bugs attackers are confirmed to be using, with attack scores and free detection rules.
Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
4
Sitecore bugs on CISA’s exploited list
0 added in 2026.
1
are linked to ransomware
Every Sitecore vulnerability the US government has confirmed attackers are using, newest first, with each bug’s EPSS (predicted attack chance) and VEDAS (exploit evidence) scores and any free Nuclei or Suricata detection rule. US federal agencies must fix KEV-listed bugs by a deadline; everyone else should treat the list as “patch first”.
| Added | CVE | Product | Bug | EPSS | VEDAS | Detection rule | Ransomware |
|---|---|---|---|---|---|---|---|
| 2025-09-04 | CVE-2025-53690 | Sitecore Multiple Products | Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability | 0.61 | 0.99 | Nuclei · Suricata | No |
| 2025-03-26 | CVE-2019-9875 | Sitecore CMS and Experience Platform (XP) | Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability | 0.25 | 0.58 | None yet | No |
| 2025-03-26 | CVE-2019-9874 | Sitecore CMS and Experience Platform (XP) | Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability | 0.84 | 0.98 | Nuclei · Suricata | No |
| 2022-03-25 | CVE-2021-42237 | Sitecore XP | Sitecore XP Remote Command Execution Vulnerability | 0.98 | 0.98 | Nuclei · Suricata | Yes |
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