Deserialization of untrusted data in Adobe Magento
Priority MEDIUM 53CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
Magento versions 1.14.4.5 and earlier, and 1.9.4.5 and earlier have a php object injection vulnerability. Successful exploitation could lead to arbitrary code execution.
Why it matters now
EPSS 0.08385 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Magento | 1.14.4.5 and earlier, and 1.9.4.5 and earlier versions | — | No fix listed | CNA |
| — | magento/core (Packagist) | up to 1.9.4.5 | — | No fix listed | GHSA-337c-3rch-q35j |
- Magento VendorAdobe Affected 1.14.4.5 and earlier, and 1.9.4.5 and earlier versions Fixed in — No fix listed CNA
- magento/core (Packagist) Vendor— Affected up to 1.9.4.5 Fixed in — No fix listed GHSA-337c-3rch-q35j
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9664
- 2026-10-03 Alias added: GHSA-337c-3rch-q35j
- 2026-11-06 EPSS moved to the 95th–99th percentile
References
More Adobe vulnerabilities
- TI-2026-52938 Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) KEVCVSS 3.1CRITICAL 10.0
- TI-2026-35688 ColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) KEVCVSS 3.1CRITICAL 10.0
- TI-2025-34084 Adobe Experience Manager | Incorrect Authorization (CWE-863) KEVCVSS 3.1CRITICAL 10.0
- TI-2024-22559 XXE can expose crypt key and other secrets granting full admin access KEVCVSS 3.1CRITICAL 9.8
- TI-2023-19615 Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2023-13696 Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-9664 · CVE Program
- CVE-2020-9664 · NVD
- FIRST EPSS
- GHSA-337c-3rch-q35j · GitHub Advisory Database · CC BY 4.0
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