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Servers and applications

CVE-2017-12157

In Moodle 3.x, various course reports allow teachers to view details about users in the groups they can't access.

Severity
Medium 4.3
Published
18 Sept 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 66% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Information exposure (CWE-200)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MoodleServers and applications · cpe:a:moodle:moodle
  • Version 3.3.1
  • Version 3.3.0
  • Version 3.3.0-rc3
  • Version 3.3.0-rc2
All 44 release lines
  • Version 3.0.0-beta
  • Version 3.0.0-rc1
  • Version 3.0.0-rc2
  • Version 3.0.0-rc3
  • Version 3.0.0-rc4
  • Version 3.0.0
  • Version 3.0.1
  • Version 3.0.2
  • Version 3.0.3
  • Version 3.0.4
  • Version 3.0.5
  • Version 3.0.6
  • Version 3.0.7
  • Version 3.0.8
  • Version 3.0.9
  • Version 3.0.10
  • Version 3.1.0-beta
  • Version 3.1.0-rc1
  • Version 3.1.0-rc2
  • Version 3.1.0
  • Version 3.1.1
  • Version 3.1.2
  • Version 3.1.3
  • Version 3.1.4
  • Version 3.1.5
  • Version 3.1.6
  • Version 3.1.7
  • Version 3.2.0-beta
  • Version 3.2.0-rc1
  • Version 3.2.0-rc2
  • Version 3.2.0-rc3
  • Version 3.2.0-rc4
  • Version 3.2.0-rc5
  • Version 3.2.0
  • Version 3.2.1
  • Version 3.2.2
  • Version 3.2.3
  • Version 3.2.4
  • Version 3.3.0-beta
  • Version 3.3.0-rc1
  • Version 3.3.0-rc2
  • Version 3.3.0-rc3
  • Version 3.3.0
  • Version 3.3.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-12157
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-12157