CVE-2020-9664
Magento php object injection vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-9664- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-9664- Updated
- 2026-11-02
EUVDEUVD-2022-2092 No score
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.
- Record
EUVD-2022-2092- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-337c-3rch-q35j
Magento php object injection vulnerability
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. A patch SUPEE-11346 is available at Magento Open Source Download Page > Release Archive Tab > Magento Open Source Patches - 1.x Section
- Record
GHSA-337c-3rch-q35j- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-337c-3rch-q35j
Magento php object injection vulnerability
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. A patch SUPEE-11346 is available at Magento Open Source Download Page > Release Archive Tab > Magento Open Source Patches - 1.x Section
- Record
GHSA-337c-3rch-q35j- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
magento/corePackagist |
through 1.9.4.5 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-9664 is a critical vulnerability (CVSS 9.8) in Adobe Magento, published July 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.38%, the 95th percentile. No source names a fixed version.