Vulnerability in Mybb Merge System
CVE-2016-9403
newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impact by leveraging a missing permission check.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.026 (84.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/94395 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2016/11/18/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/11/10/8 (mailing-list, Patch, Mailing List, Third Party Advisory)
- blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/ (Patch, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-9403?
- CVE-2016-9403 is a critical-severity vulnerability in Mybb Merge System, classified under CWE-264. CVSS score: 9.8/10. Published 2017-01-31.
- How severe is CVE-2016-9403?
- Critical severity. CVSS v3 base score is 9.8 out of 10.