CVE-2021-43703
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin...
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.
- Record
CVE-2021-43703- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.
- Record
CVE-2021-43703- Updated
- 2026-11-02
EUVDEUVD-2021-30610 No score
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.
- Record
EUVD-2021-30610- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2fjf-4mmg-2c65
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin...
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.
- Record
GHSA-2fjf-4mmg-2c65- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php. After disabling JavaScript, you can directly access the administrator console.
- Record
CVE-2021-43703- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
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-2021-43703 is a critical vulnerability (CVSS 9.8) in Zzcms, published December 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.86%, the 79th percentile. No source names a fixed version.