Critical severity · published Dec 27, 2020
CVE-2020-35729
KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter
9.8
CVSS
88.1%
EPSS
No
On KEV
Description
KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)88.1% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KS
Klog Server · Klogserver
2.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-35729
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-35729
Exploit
http://packetstormsecurity.com/files/160798/Klog-Server-2.4.1-Command-Injection.html
Exploit
http://packetstormsecurity.com/files/161123/Klog-Server-2.4.1-Command-Injection.html
Exploit
http://packetstormsecurity.com/files/161410/Klog-Server-2.4.1-Command-Injection.html
Exploit
https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/Exploit_Code
Exploit
https://github.com/mustgundogdu/Research/blob/main/KLOG_SERVER/README.md
More from Klog Server
8.8
CVE-2021-3317
KLog Server through 2.4.1 allows authenticated command injection