CVE-2020-35729

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

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

88.10% chance of exploitation in the next 30 days, 100th percentile

Nuclei

critical · CWE-78

Published

2020-12-27

Updated

2024-08-04

Proof-of-concept exploits (4)

• http://packetstormsecurity.com/files/160798/Klog-Server-2.4.1-Command-Injection.html
• http://packetstormsecurity.com/files/161123/Klog-Server-2.4.1-Command-Injection.html
• http://packetstormsecurity.com/files/161410/Klog-Server-2.4.1-Command-Injection.html
• Al1ex/CVE-2020-357295★ · 2021-04-09

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-35729.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/klog_server_authentic…

ExploitDB entries (2)

• https://www.exploit-db.com/exploits/49474
• https://www.exploit-db.com/exploits/49366

References

• CVE Record
• NVD entry

Related

• CVE-2020-35728
• CVE-2020-35730
• CVE-2020-35717
• CVE-2020-35734
• CVE-2020-35716
• CVE-2020-35736