CVE-2018-6521
SimpleSAMLphp Use of insecure connection charset (sqlauth module)
9.8
CRITICAL
CVSS 3.1
EPSS 0.58%
Description
The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.
How to fix CVE-2018-6521
To remediate CVE-2018-6521, upgrade the affected package to a fixed version below.
- —upgrade to 1.15.2-1 or later
- —upgrade to 1.15.2 or later
Is CVE-2018-6521 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.15.2-1
- from 0, < 1.15.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |