CVE-2020-9579
Magento Security mitigation bypass vulnerability
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass 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 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
CVE-2020-9579- 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 - Updated
- 2026-11-02
CVE List No score
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
CVE-2020-9579- Updated
- 2026-11-02
EUVDEUVD-2022-5421 No score
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
EUVD-2022-5421- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vrp3-wc28-qg2h
Magento Security mitigation bypass vulnerability
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
GHSA-vrp3-wc28-qg2h- 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 - Updated
- 2026-11-02
OSV
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
CVE-2020-9579- 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 - Updated
- 2026-11-02
OSVGHSA-vrp3-wc28-qg2h
Magento Security mitigation bypass vulnerability
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
GHSA-vrp3-wc28-qg2h- 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 - Updated
- 2026-11-02
OSVBIT-magento-2020-9579 No score
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a security mitigation bypass vulnerability. Successful exploitation could lead to arbitrary code execution.
- Record
BIT-magento-2020-9579- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
magento/community-editionPackagist |
through 2.2.11 | None known |
magento/community-editionPackagist |
2.3.0 up to 2.3.4-p2 | 2.3.4-p2 |
magento/corePackagist |
before 1.9.4.5 | 1.9.4.5 |
magentoBitnami |
2.2.0 up to 2.2.12, 2.3.0 up to 2.3.5 | 2.2.122.3.5 |
magento/community-editionPackagist |
through 2.2.11, plus listed versions 0.1.0-alpha1000.1.0-alpha1010.1.0-alpha1020.1.0-alpha1030.1.0-alpha104 Show 45 moreShow less0.1.0-alpha1050.1.0-alpha1060.1.0-alpha1070.1.0-alpha1080.1.0-alpha890.1.0-alpha900.1.0-alpha910.1.0-alpha920.1.0-alpha930.1.0-alpha940.1.0-alpha950.1.0-alpha960.1.0-alpha970.1.0-alpha980.1.0-alpha990.42.0-beta10.42.0-beta100.42.0-beta110.42.0-beta20.42.0-beta30.42.0-beta40.42.0-beta50.42.0-beta60.42.0-beta70.42.0-beta80.42.0-beta90.74.0-beta10.74.0-beta100.74.0-beta110.74.0-beta120.74.0-beta130.74.0-beta140.74.0-beta150.74.0-beta160.74.0-beta20.74.0-beta30.74.0-beta40.74.0-beta50.74.0-beta60.74.0-beta70.74.0-beta80.74.0-beta91.0.0-beta1.0.0-beta21.0.0-beta3 |
None known |
magento/community-editionPackagist |
2.3.0 up to 2.3.4-p2, plus listed versions 2.3.12.3.22.3.2-p22.3.32.3.3-p12.3.4 |
2.3.4-p2 |
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-2020-9579 is a critical vulnerability (CVSS 9.8) in Adobe Magento, published June 26, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.04%, the 92nd percentile. Fixed in magento/community-edition 2.3.4-p2.
References
Left out here: 57 versions. The JSON record has them.