CVE-2025-27218

mediumpriority · track · 33EPSS 0.650 · 99 %ileexploit · weaponizedDEEURU

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · weaponized

Likely / severe?

65.0% (99th) EPSS

CVSS 5.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Sitecore Experience Manager (XM) and Experience Platform (XP) 10.4 before KB1002844 allow remote code execution through insecure deserialization.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondaryexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USCWE-94US

exploits (2)

Public proof-of-concept and weaponised exploit code.

exploit/windows/http/sitecore_xp_cve_2025_27218Sitecore CVE-2025-27218 BinaryFormatter Deserialization Exploitweaponized · metasploit
EDB-52344Sitecore 10.4 - Remote Code Execution (RCE)PoC · exploit_db

affected products (5)

Products and version ranges known to be affected.

Sitecore Experience Manager <10.4.1 (Update-1)all versionscert_bundDE
Sitecore Experience Manager< 10.4.1 (Update-1)cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
Sitecore Sitecore Experience Manager10.4 → KB1002844fstec_bduRU
Sitecore Sitecore Experience Platform10.4 → KB1002844fstec_bduRU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2924Sitecore Experience Manager: Schwachstelle ermöglicht CodeausführungDeutsch2025-12-28csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Sitecore Experience Manager ausnutzen, um beliebigen Programmcode auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2025-02-20modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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