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Servers and applications

CVE-2018-1043

In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.

Severity
Medium 6.5
Published
22 Jan 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.5% in the next 30 daysHigher than 73% of CVEs. EPSS by FIRST, 11 Nov 2026
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 3.4.0
  • Version 3.3.3
  • Version 3.3.2
  • Version 3.3.1
All 12 release lines
  • Version 3.2.0
  • Version 3.2.1
  • Version 3.2.2
  • Version 3.2.3
  • Version 3.2.4
  • Version 3.2.5
  • Version 3.2.6
  • Version 3.3.0
  • Version 3.3.1
  • Version 3.3.2
  • Version 3.3.3
  • Version 3.4.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1043
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1043