CVE-2021-36030
Magento Commerce Improper Input Validation During Checkout Process Could Lead To Privilege Escalation
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
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
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Magento Commerce Improper Input Validation During Checkout Process Could Lead To Privilege Escalation
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
- Record
CVE-2021-36030- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-22663
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
- Record
EUVD-2021-22663- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rhff-65hp-55rw No score
Magento allows attackers to alter the price of items
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
- Record
GHSA-rhff-65hp-55rw- Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
- Record
CVE-2021-36030- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
- Record
CVE-2021-36030- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-rhff-65hp-55rw No score
Magento allows attackers to alter the price of items
Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an improper input validation vulnerability during the checkout process. An unauthenticated attacker can leverage this vulnerability to alter the price of items.
- Record
GHSA-rhff-65hp-55rw- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
magento/project-community-editionPackagist |
through 2.0.2 | None known |
magento/community-editionPackagist |
before 2.3.7-p1 | 2.3.7-p1 |
magento/community-editionPackagist |
2.3.7 to 2.3.7 | None known |
magento/community-editionPackagist |
2.4.2-p1 up to 2.4.2-p2 | 2.4.2-p2 |
magento/community-editionPackagist |
2.4.2 to 2.4.2 | None known |
magento/project-community-editionPackagist |
through 2.0.2, 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-beta2.0.02.0.0-rc |
None known |
magento/community-editionPackagist |
before 2.3.7-p1, 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 |
2.3.7-p1 |
magento/community-editionPackagist |
Listed versions 2.3.7 |
None known |
magento/community-editionPackagist |
Listed versions 2.4.2 |
None known |
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-2021-36030 is a high vulnerability (CVSS 7.5) in Adobe Commerce, published September 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. Fixed in magento/community-edition 2.3.7-p1.
References
Left out here: 74 versions. The JSON record has them.