Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-prjm-2fj2-787f
Advisory ID github_osv/GHSA-prjm-2fj2-787f
Aliases CVE-2023-28336
Summary Moodle may allow teachers to access the names of users they could not otherwise access Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.
Status Published
Exploitability 0.5
Weighted Severity 3.9
Risk 1.9
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-668 Exposure of Resource to Wrong Sphere
System Score Found at
cvssv3.1 4.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-prjm-2fj2-787f/GHSA-prjm-2fj2-787f.json
generic_textual MODERATE
Reference id Reference type URL
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/a931a7f8cec3657827268837b27962a13817ca2b
https://git.moodle.org/gw?p=moodle.git;a=commit;h=a931a7f8cec3657827268837b27962a13817ca2b
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
https://moodle.org/mod/forum/discuss.php?d=445068
CVE-2023-28336 https://nvd.nist.gov/vuln/detail/CVE-2023-28336
show_bug.cgi?id=2179426 Bug https://bugzilla.redhat.com/show_bug.cgi?id=2179426
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-prjm-2fj2-787f/GHSA-prjm-2fj2-787f.json
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T13:34:12Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2023/28xxx/CVE-2023-28336.json

Source Advisory: vulnrichment/CVE-2023-28336

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]