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Vulnerability details: VCID-vatz-u6vk-pfaw
Vulnerability ID VCID-vatz-u6vk-pfaw
Aliases CVE-2019-14880
GHSA-rv62-6f56-j83w
Summary Moodle Oauth 2 Insufficiently Protects Against Compromise A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. 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-287 Improper Authentication
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
System Score Found at
epss 0.00239 https://api.first.org/data/v1/epss?cve=CVE-2019-14880
epss 0.00239 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
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2019-14880
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://nvd.nist.gov/vuln/detail/CVE-2019-14880
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
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: AV:N/AC:L/Au:N/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-14880
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
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 0.46983
EPSS Score 0.00239
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:26:46.191774+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-rv62-6f56-j83w/GHSA-rv62-6f56-j83w.json 36.1.3