Is CVE-2025-34509 actively exploited?

Yes. KEV Intelligence tracks CVE-2025-34509 as a known exploited vulnerability. Confidence is high.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2025-34509. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2025-34509 affects Sitecore Experience Manager, Experience Platform. KEV Intelligence lists 6 version rows; examples include 10.4 to < 10.4.1 rev. 011941 PRE, 10.3 to < 10.3.3 rev. 011967 PRE, and 10.1 to < 10.1.4 rev. 011974 PRE.

No. CVE-2025-34509 is not currently listed in CISA KEV.

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2025-34509

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

No. CVE-2025-34509 is not currently listed in CISA KEV.

Sitecore XM and XP Hardcoded Credentials

Sitecore / Experience Manager · affected before 10.4.1 rev. 011941 PRE

View live feed Monitor via API Watch CVE

Severity: CVSS 7.5 · High
Confidence: High
Exploit status: Exploited in the wild
EPSS: 54.6%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-34509 is an unauthenticated Sitecore XM and XP Hardcoded Credentials. Sitecore Experience Manager (XM) and Experience Platform (XP) versions 10.1 to 10.1.4 rev. 011974 PRE, all versions of 10.2, 10.3 to...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Sitecore / Experience Manager affected before 10.4.1 rev. 011941 pre.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Sitecore Experience Manager (XM) and Experience Platform (XP) versions 10.1 to 10.1.4 rev

Sitecore Experience Manager (XM) and Experience Platform (XP) versions 10.1 to 10.1.4 rev. 011974 PRE, all versions of 10.2, 10.3 to 10.3.3 rev. 011967 PRE, and 10.4 to 10.4.1 rev.

011941 PRE contain a hardcoded user account. Unauthenticated and remote attackers can use this account to access administrative API over HTTP.

Vendor Product Affected Status

Sitecore Experience Manager Before 10.4.1 rev. 011941 PRE Affected

Sitecore Experience Manager Before 10.3.3 rev. 011967 PRE Affected

Sitecore Experience Manager Before 10.1.4 rev. 011974 PRE Affected

Sitecore Experience Platform Before 10.4.1 rev. 011941 PRE Affected

Sitecore Experience Platform Before 10.3.3 rev. 011967 PRE Affected

Sitecore Experience Platform Before 10.1.4 rev. 011974 PRE Affected

View vendor advisory

Published: 17 Jun 2025
Exploitation Reported: 30 Apr 2026
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2025-34509
Vendor Advisory — support.sitecore.com support.sitecore.com · Vendor Advisory https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB...
Third-Party Advisory — labs.watchtowr.com labs.watchtowr.com · Third-Party Advisory https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-si...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 30 Apr 2026

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
The Shadowserver First	2026-04-30 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nuclei template detected 01 Jun 2026.

View Nuclei template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-34509.yaml	01 Jun 2026

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

54.6%

Weaknesses

Use of Hard-coded Credentials CWE-798

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Sitecore Experience Manager (XM) and Experience Platform (XP) - Hardcoded Credentials

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

12 Jun 2026
Public PoC available

Public proof-of-concept code published
01 Jun 2026
Nuclei template available

Scanner coverage available
30 Apr 2026
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
17 Jun 2025
CVE published

Vulnerability disclosed publicly
15 Apr 2025
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2025-34509

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2025-34509",
  "confidence": "High",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.54577,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

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