What is CVE-2021-46148?

CVE-2021-46148 is a medium-severity vulnerability in Mediawiki, classified under Information Disclosure. CVSS score: 6.5/10. Published 2022-01-10.

How severe is CVE-2021-46148?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Mediawiki

CVE-2021-46148

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Some unprivileged users can view confidential information (e.g., IP addresses and User-Agent headers for election traffic) on a testwiki SecurePoll instance.

Vulnerability class: Information Disclosure

EPSS: 0.012 (64.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mediawiki
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-46148?: CVE-2021-46148 is a medium-severity vulnerability in Mediawiki, classified under Information Disclosure. CVSS score: 6.5/10. Published 2022-01-10.
How severe is CVE-2021-46148?: Medium severity. CVSS v3 base score is 6.5 out of 10.