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Vulnerability details: VCID-gdy9-mu83-uygn
Vulnerability ID VCID-gdy9-mu83-uygn
Aliases CVE-2018-1082
GHSA-qh8m-6g4p-33h3
Summary Moodle Improper Authentication A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
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
cvssv3.1 8.1 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-60101
generic_textual HIGH http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-60101
epss 0.0161 https://api.first.org/data/v1/epss?cve=CVE-2018-1082
epss 0.0161 https://api.first.org/data/v1/epss?cve=CVE-2018-1082
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-qh8m-6g4p-33h3
cvssv3.1 8.1 https://github.com/moodle/moodle
generic_textual HIGH https://github.com/moodle/moodle
cvssv3.1 8.1 https://moodle.org/mod/forum/discuss.php?d=367939
generic_textual HIGH https://moodle.org/mod/forum/discuss.php?d=367939
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-1082
cvssv3 8.1 https://nvd.nist.gov/vuln/detail/CVE-2018-1082
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2018-1082
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-1082
cvssv3.1 8.1 http://www.securityfocus.com/bid/103725
generic_textual HIGH http://www.securityfocus.com/bid/103725
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-60101
https://api.first.org/data/v1/epss?cve=CVE-2018-1082
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=367939
https://nvd.nist.gov/vuln/detail/CVE-2018-1082
http://www.securityfocus.com/bid/103725
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:*:*:*:*:*:*:*:*
GHSA-qh8m-6g4p-33h3 https://github.com/advisories/GHSA-qh8m-6g4p-33h3
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-60101
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://moodle.org/mod/forum/discuss.php?d=367939
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:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1082
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1082
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1082
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at http://www.securityfocus.com/bid/103725
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 0.80901
EPSS Score 0.0161
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:26:13.958998+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-qh8m-6g4p-33h3/GHSA-qh8m-6g4p-33h3.json 36.1.3