How severe is CVE-2025-34509?

CVE-2025-34509 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-34509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34509?

CVE-2025-34509 primarily affects Sitecore Experience Commerce. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-34509?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-34509 have an EU (EUVD) identifier?

Yes. CVE-2025-34509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18524.

When was CVE-2025-34509 published?

CVE-2025-34509 was published on 2025-06-17 and last updated on 2026-06-17.

CVE-2025-34509

CVE-2025-34509 is a high-severity vulnerability in Sitecore Experience Commerce with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 40% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 40% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18524
Weakness: CWE-798
Affected product: Sitecore Experience Commerce
Published: 2025-06-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-34509?: 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.
How severe is CVE-2025-34509?: CVE-2025-34509 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-34509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34509?: CVE-2025-34509 primarily affects Sitecore Experience Commerce. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-34509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-34509 have an EU (EUVD) identifier?: Yes. CVE-2025-34509 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18524.
When was CVE-2025-34509 published?: CVE-2025-34509 was published on 2025-06-17 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:*
cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:*

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