CVE-2019-16738

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.

References

https://phabricator.wikimedia.org/T230402

https://lists.fedoraproject.org/archives/list/[email protected]/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO/

https://www.debian.org/security/2019/dsa-4545

https://seclists.org/bugtraq/2019/Oct/32

https://lists.fedoraproject.org/archives/list/[email protected]/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6/

Details

Source: MITRE

Published: 2019-09-26

Updated: 2021-07-21

Type: CWE-200

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions up to 1.33.0 (inclusive)

Tenable Plugins

View all (4 total)

IDNameProductFamilySeverity
130495FreeBSD : mediawiki -- multiple vulnerabilities (c32285fe-fde4-11e9-9525-000c29c4dc65)NessusFreeBSD Local Security Checks
medium
130295Fedora 31 : mediawiki (2019-3ba38e1cdb)NessusFedora Local Security Checks
medium
130073Debian DSA-4545-1 : mediawiki - security updateNessusDebian Local Security Checks
medium
130037Fedora 30 : mediawiki (2019-c4cdd73c74)NessusFedora Local Security Checks
medium