CVE-2021-20841 EC-CUBE Improper access control in Management screen
Remote authenticated attackers can bypass access restrictions in the EC-CUBE management screen to alter system settings.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-20841?
CVE-2021-20841 is a medium-severity missing authorization vulnerability in EC-CUBE 2 series, published on 24 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper access control in Management screen of EC-CUBE 2 series 2.11.2 to 2.17.1 allows a remote authenticated attacker to bypass access restriction and to alter System settings via unspecified vectors.
Which versions are affected by CVE-2021-20841?
2 open source packages ship an affected version, including ec-cube/ec-cube. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ec-cube/ec-cube Packagist | From 2.11.2 | 2.17.2 |
ec-cube/ec-cube Packagist | From 2.11.2 | 2.17.2 |
Products include Ec-Cube Ec-Cube.
How do I fix CVE-2021-20841?
Upgrade ec-cube/ec-cube to 2.17.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-20841 being exploited?
There is no known exploitation of CVE-2021-20841 in the wild and no public exploit code.
Other vulnerabilities in EC-CUBE 2 series
Sources
Also known as GHSA-jc55-crg7-pr35.