RCE in Klogserver Klog_server
CVE-2020-35729
KLog Server 2.4.1 allows OS command injection via shell metacharacters in the actions/authenticate.php user parameter.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.880 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Klogserver Klog_server — versions 2.4.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-35729?
- CVE-2020-35729 is a critical-severity vulnerability in Klogserver Klog_server, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-12-27.
- How severe is CVE-2020-35729?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-35729 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.