Home/CVE/MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified im
CVE

CVE-2016-9420

MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allow remote attackers to have unspecified im

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.".

CRITICAL · CVSS 9.8 EPSS 0.01105
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
mybb merge system<= 1.8.7
mybb<= 1.8.7
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Jan 2017 · 10:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/11/10/8Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/18/1Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/94396Third Party AdvisoryVDB Entry
https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-1-8-8-release/PatchRelease NotesVendor Advisory
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