CVE-2021-37262
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
- Record
CVE-2021-37262- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-74
- Updated
- 2026-11-02
CVE List No score
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
- Record
CVE-2021-37262- Updated
- 2026-11-02
EUVDEUVD-2021-23834 No score
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
- Record
EUVD-2021-23834- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qfw2-4mg3-rwff No score
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
- Record
GHSA-qfw2-4mg3-rwff- Weakness
- CWE-74
- Updated
- 2026-11-02
OSV
7.5
JFinal_cms 5.1.0 is vulnerable to regex injection that may lead to Denial of Service.
- Record
CVE-2021-37262- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2021-37262 is a high vulnerability (CVSS 7.5) in Jflyfox Jfinal Cms, published December 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. No source names a fixed version.