All vulnerabilities

Servers and applications

CVE-2018-8712

An issue was discovered in Webmin 1.840 and 1.880 when the default Yes setting of "Can view any file as a log file" is enabled. As a result of weak default configuration settings, limited users have full access rights to the underlying Unix system files, allowing the user to read sensitive data from the local system (using Local File Include) such as the '/etc/shadow' file via a "GET…

Severity
Critical 9.8
Published
14 Mar 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.8% in the next 30 daysHigher than 78% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Path traversal (CWE-22)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Description

An issue was discovered in Webmin 1.840 and 1.880 when the default Yes setting of "Can view any file as a log file" is enabled. As a result of weak default configuration settings, limited users have full access rights to the underlying Unix system files, allowing the user to read sensitive data from the local system (using Local File Include) such as the '/etc/shadow' file via a "GET /syslog/save_log.cgi?view=1&file=/etc/shadow" request.

From NVD.

Affected software

SoftwareAffected versions
WebminServers and applications · cpe:a:webmin:webmin
  • Version 1.840
  • Version 1.880

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-8712
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-8712