CVE-2020-21237
An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute...
An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.
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 issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.
- Record
CVE-2020-21237- 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
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
CVE List No score
An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.
- Record
CVE-2020-21237- Updated
- 2026-11-02
EUVDEUVD-2020-14011 No score
An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.
- Record
EUVD-2020-14011- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qmgf-hqxv-72p7 No score
An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute...
An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.
- Record
GHSA-qmgf-hqxv-72p7- Weakness
- CWE-307
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-21237 is a critical vulnerability (CVSS 9.8) in 8cms Ljcms, published December 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. No source names a fixed version.