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Fencer Vulns
medium 6.5

CVE-2018-1043 json

Moodle Setting for blocked hosts list can be bypassed with multiple A record hostnames

published 2018-01-22 8 y ago modified 2026-06-17 4 mo ago also GHSA-hpwm-84h5-vqr8 , EUVD-2022-4189

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.

Patch / fix

  • packagist moodle/moodle 3.2.7, 3.3.4, 3.4.1

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-2018-1043 updated

moodle: Four security issues fixed in the latest release

  • Red Hat All currently supported Red Hat products
    not 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

1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=3.2, <3.2.7
>=3.3, <3.3.4
>=3.4, <3.4.1
3.2.7
3.3.4
3.4.1

Affected products

  • n/a Moodle 3.x

References

Sources

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.