Vulnerability Details : CVE-2023-5543
When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.
Vulnerability category: BypassGain privilege
Products affected by CVE-2023-5543
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-5543
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-5543
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
NIST | |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
Fedora Project |
CWE ids for CVE-2023-5543
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: patrick@puiterwijk.org (Secondary)
References for CVE-2023-5543
-
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77795
Official Moodle git projects - moodle.git/searchPatch
-
https://bugzilla.redhat.com/show_bug.cgi?id=2243442
2243442 – (CVE-2023-5543, MSA-23-0035) CVE-2023-5543 moodle: Duplicating a BigBlueButton activity assigns the same meeting IDIssue Tracking;Patch;Third Party Advisory
-
https://moodle.org/mod/forum/discuss.php?d=451584
Moodle.org: MSA-23-0035: Duplicating a BigBlueButton activity assigns the same meeting ID | Moodle.orgPatch;Vendor Advisory
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