What is CVE-2016-9420?

CVE-2016-9420 is a critical-severity vulnerability in Mybb Merge_system, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-01-31.

How severe is CVE-2016-9420?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Mybb Merge_system

CVE-2016-9420

MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified impact via vectors related to "loose comparison false positives."

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.026 (83.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mybb Merge_system
Mybb
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Release Notes, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-9420?: CVE-2016-9420 is a critical-severity vulnerability in Mybb Merge_system, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-01-31.
How severe is CVE-2016-9420?: Critical severity. CVSS v3 base score is 9.8 out of 10.