CVE-2016-8643 json
In Moodle 2.x and 3.x, non-admin site managers may accidentally edit admins via web services.
published 2017-01-20 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9483
- cvss
- 4.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
In Moodle 2.x and 3.x, non-admin site managers may accidentally edit admins via web services.
Patch / fix
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-2016-8643 updated
moodle: Multiple security issues
-
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
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Affected products
- n/a Moodle 2.x and 3.x
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
moodle.org
/mod/forum/discuss.php?d=343276
patch, vendor-advisory
-
securityfocus.com
/bid/94457
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2016-8643
- NVD CVE-2016-8643
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.