CVE-2021-20778
EC-CUBE Improper access control vulnerability
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
- Record
CVE-2021-20778- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
- Record
CVE-2021-20778- Updated
- 2026-11-02
EUVDEUVD-2021-8190 No score
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
- Record
EUVD-2021-8190- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4cxm-8hh5-jj33
EC-CUBE Improper access control vulnerability
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
- Record
GHSA-4cxm-8hh5-jj33- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
- Record
CVE-2021-20778- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ec-cube/ec-cubePackagist |
Source text: > 4.0.5-p1, < 4.0.6-p1 | 4.0.6-p1Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
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-2021-20778 is a high vulnerability (CVSS 7.5) in Ec-cube, published July 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. A source reports a fix.