# CVE-2024-34102: Adobe Commerce and Magento Open Source Improper Restriction of XML External Entity Reference (XXE) Vulnerability

- Exploited (CISA KEV): yes, added 2024-07-17
- Published: 2024-06-13
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 100.0% (100th percentile)
- CWE: CWE-611

Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability by sending a crafted XML document that references external entities. Exploitation of this issue does not require user interaction.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2025-01-06 | 207 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2025-04-28 | 319 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2025-01-06 · new · rule c86e79e15a4a4307870f6f77e37f2da6 · default Block
  > Magento - XXE - CVE:CVE-2024-34102. Previous action: Log. New action: Block. New Detection
  Source: https://developers.cloudflare.com/changelog/post/2025-01-06-waf-release/

### F5

- 2025-04-28 · new · rule 200018190
  > Added: signature 200018190 "Magento CosmicSting XXE" (Other Application Attacks, risk High), systems: PHP. References: CVE-2024-34102.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2025-05-22 · new · rule 200018190
  > Added: signature 200018190 "Magento CosmicSting XXE" (Other Application Attacks, risk High), systems: PHP. References: CVE-2024-34102.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: passed (0 of 1 requests blocked), template CVE-2024-34102, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: blocked (1 of 1 requests blocked), template CVE-2024-34102, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2024-34102 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2024-34102