Shopware is an open commerce platform based on Symfony Framework and Vue. The Symfony Session Handler pops the Session Cookie and assigns it to the Response. Since Shopware 6.5.8.0, the 404 pages are cached to improve the performance of 404 pages. So the cached Response which contains a Session Cookie when the Browser accessing the 404 page, has no cookies yet. The Symfony Session Handler is in use, when no explicit Session configuration has been done. When Redis is in use for Sessions using the PHP Redis extension, this exploiting code is not used. Shopware version 6.5.8.7 contains a patch for this issue. As a workaround, use Redis for Sessions, as this does not trigger the exploit code.
CVE-2024-27917
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 70% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 45.1%
- KEV
- Not listed
Published
March 6, 2024
Last Modified
September 10, 2025
References (8)
- security-advisories@githubhttps://github.com/shopware/shopware/commit/7d9cb03225efca5f97e69b800d8747598dd15ce3
- security-advisories@githubhttps://github.com/shopware/shopware/releases/tag/v6.5.8.7
- security-advisories@githubhttps://github.com/shopware/shopware/security/advisories/GHSA-c2f9-4jmm-v45m
- security-advisories@githubhttps://github.com/shopware/storefront/commit/3477e4a425d3c54b4bfae82d703fe3838dc21d3e
- af854a3a-2127-422b-91ae-364da2661108https://github.com/shopware/shopware/commit/7d9cb03225efca5f97e69b800d8747598dd15ce3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/shopware/shopware/releases/tag/v6.5.8.7
- af854a3a-2127-422b-91ae-364da2661108https://github.com/shopware/shopware/security/advisories/GHSA-c2f9-4jmm-v45m
- af854a3a-2127-422b-91ae-364da2661108https://github.com/shopware/storefront/commit/3477e4a425d3c54b4bfae82d703fe3838dc21d3e
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| shopware/platform | v6.5.8.0 ... v6.5.8.6 (7 versions) | 6.5.8.7 | — |
| shopware/storefront | v6.5.8.0 ... v6.5.8.6 (7 versions) | 6.5.8.7 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 50× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2024-27917?
When was CVE-2024-27917 disclosed?
Is CVE-2024-27917 actively exploited?
What is the CVSS score of CVE-2024-27917?
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Dependency Blast Radius
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