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TI-2020-18188 Aliases CVE-2020-35729GHSA-w4v7-6457-x826

KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter.

Priority HIGH 84CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter.

Why it matters now

EPSS 0.88099 99th percentileScored 2026-11-07
Public exploit Yes 5 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:klogserver:klog_server:2.4.1:*:*:*:*:*:*:*2.4.1VulnerableKlogserver
  • cpe:2.3:a:klogserver:klog_server:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Klogserver

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-35729
  2. 2026-10-03 Alias added: GHSA-w4v7-6457-x826

References

Exploit 5

  • TI-2021-02320 KLog Server through 2.4.1 allows authenticated command injection. CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences