Vulnerability Details : CVE-2023-23923
The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
Vulnerability category: Bypass
Products affected by CVE-2023-23923
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-23923
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-23923
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
8.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
3.9
|
4.2
|
NIST |
CWE ids for CVE-2023-23923
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- patrick@puiterwijk.org (Secondary)
References for CVE-2023-23923
-
https://moodle.org/mod/forum/discuss.php?d=443274#p1782023
Moodle.org: MSA-23-0003: Possible to set the preferred "start page" of other usersVendor Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=2162549
2162549 – (CVE-2023-23923) CVE-2023-23923 moodle: Possible to set the preferred "start page" of other usersIssue Tracking;Third Party Advisory
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http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862
Official Moodle git projectsPatch
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