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Vulnerability details: VCID-w2b2-fuky-j3ff
Vulnerability ID VCID-w2b2-fuky-j3ff
Aliases CVE-2019-14880
GHSA-rv62-6f56-j83w
Summary Improper Authentication A vulnerability was found in Moodle: OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-287 Improper Authentication
System Score Found at
epss 0.00202 https://api.first.org/data/v1/epss?cve=CVE-2019-14880
cvssv3.1 9.1 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880
generic_textual CRITICAL https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880
cvssv3.1 9.1 https://github.com/moodle/moodle
generic_textual CRITICAL https://github.com/moodle/moodle
cvssv3.1 9.1 https://nvd.nist.gov/vuln/detail/CVE-2019-14880
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2019-14880
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-14880
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880
https://github.com/moodle/moodle
https://moodle.org/security/
CVE-2019-14880 https://nvd.nist.gov/vuln/detail/CVE-2019-14880
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14880
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://github.com/moodle/moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-14880
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.42174
EPSS Score 0.00202
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:19:54.418662+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/moodle/moodle/CVE-2019-14880.yml 38.6.0