cve.bz

CVE-2021-21403

9.8 criticalEPSS 1.4%

Critical (9.8) in kongchuanhujiao project kongchuanhujiao. EPSS 1.4% chance of exploitation in the next 30 days. Fixed in github.com/kongchuanhujiao/server 1.3.21.

In github.com/kongchuanhujiao/server before version 1.3.21 there is an authentication Bypass by Primary Weakness vulnerability. All users are impacted. This is fixed in version 1.3.21.

Severity

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
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWEs
CWE-287, CWE-305
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-8wrg-m8vm-5fvjGogithub.com/kongchuanhujiao/server<1.3.211.3.21

References

Check your stackJSON