CVE-2025-30151 | Shopware allows Denial Of Service via password length

Shopware is an open commerce platform. It's possible to pass long passwords that leads to Denial Of Service via forms in Storefront forms or Store-API. This vulnerability is fixed in 6.6.10.3 or 6.5.8.17. For older versions of 6.4, corresponding security measures are also available via a plugin. For the full range of functions, we recommend updating to the latest Shopware version.

Published: 2025-04-08 Last update: 2025-09-10 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-30151 is rated Moderate Risk (56.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.80%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-30151

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-19 0.51% 0.80% +0.28%
2 2026-05-17 0.44% 0.51% +0.08%
3 2026-02-02 0.44%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-30151

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-30151

GitHub Security Advisory for CVE-2025-30151

GHSA-cgfj-hj93-rmh2 · Severity: high · Ecosystem: composer — Shopware allows Denial Of Service via password length

Affected software / configurations for CVE-2025-30151

Vendor Product Version Raw CPE
shopware shopware < 6.5.8.17 cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*
shopware shopware >= 6.6.0.0, < 6.6.10.3 cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*
shopware shopware 6.7.0.0 cpe:2.3:a:shopware:shopware:6.7.0.0:rc1:*:*:*:*:*:*

References for CVE-2025-30151

cvelogic Threat Intelligence