CVE-2023-28330 json
Moodle: authenticated arbitrary file read through malformed backup file
published 2023-03-23 3 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2023-28330 , EUVD-2023-0878 , GHSA-56r9-72vx-q989
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
Insufficient sanitizing in backup resulted in an arbitrary file read risk. The capability to access this feature is only available to teachers, managers and admins by default.
Patch / fix
- packagist moodle/moodle 3.9.20, 3.11.13, 4.0.7, 4.1.2
- bitnami moodle 3.9.20, 3.11.13, 4.0.7, 4.1.2
- moodle moodle 3.9.20, 3.11.13, 4.0.7, 4.1.2
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-28330 updated
moodle: Authenticated arbitrary file read through malformed backup file
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | >=4.1.0, <4.1.2 >=4.0.0, <4.0.7 >=3.11.0, <3.11.13 <3.9.20 |
4.1.2 4.0.7 3.11.13 3.9.20 |
| bitnami | moodle | >=3.9.0, <3.9.20 >=3.11.0, <3.11.13 >=4.0.0, <4.0.7 >=4.1.0, <4.1.2 |
3.9.20 3.11.13 4.0.7 4.1.2 |
Affected products
- moodle moodle
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
moodle.org
/mod/forum/discuss.php?d=445062
web, patch, vendor-advisory, advisory
-
github.com
/moodle/moodle/commit/493205b6b280633bcbc49d2eaf4f61a52252c26c
web
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF/
vendor-advisory, web
-
bugzilla.redhat.com
/show_bug.cgi?id=2179412
issue-tracking, web
-
nvd.nist.gov
/vuln/detail/CVE-2023-28330
advisory, web
-
git.moodle.org
/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77204
web
-
github.com
/moodle/moodle
package
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
web
-
lists.fedoraproject.org
/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
web
Sources
- CVE List CVE-2023-28330
- GitHub Advisory GHSA-56r9-72vx-q989
- NVD CVE-2023-28330
- OSV BIT-moodle-2023-28330
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