CVE-2021-21308
Improper session management for soft logout
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper session management for soft logout
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2
- Record
CVE-2021-21308- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2021-8662
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2
- Record
EUVD-2021-8662- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
NVD
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2
- Record
CVE-2021-21308- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2
- Record
CVE-2021-21308- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21308 is a medium vulnerability (CVSS 6.1) in Prestashop, published February 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.85%, the 79th percentile. No source names a fixed version.