CVE-2021-21012
Magento Commerce Insecure Direct Object Reference Vulnerability Could Lead To Sensitive Information Disclosure
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.
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
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.3
Magento Commerce Insecure Direct Object Reference Vulnerability Could Lead To Sensitive Information Disclosure
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.
- Record
CVE-2021-21012- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2021-8421
5.3
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.
- Record
EUVD-2021-8421- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6vpq-pcm8-6pgw
5.3
Adobe Bridge version 11.0 (and earlier) is affected by an out-of-bounds write vulnerability when...
Adobe Bridge version 11.0 (and earlier) is affected by an out-of-bounds write vulnerability when parsing TTF files that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- Record
GHSA-6vpq-pcm8-6pgw- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-639, CWE-787, CWE-863
- Updated
- 2026-11-02
NVD
5.3
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.
- Record
CVE-2021-21012- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
OSV
5.3
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.
- Record
CVE-2021-21012- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21012 is a medium vulnerability (CVSS 5.3) in Adobe Magento Commerce, published January 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.00%, the 90th percentile. No source names a fixed version.