CVE-2016-9403

moderate-risk
Published 2017-01-31

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.

Do I need to act?

~
5.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Mybb

References (8)

Mailing List http://www.openwall.com/lists/oss-security/2016/11/10/8
Mailing List http://www.openwall.com/lists/oss-security/2016/11/18/1
Third Party Advisory http://www.securityfocus.com/bid/94395
Patch https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/
Mailing List http://www.openwall.com/lists/oss-security/2016/11/10/8
Mailing List http://www.openwall.com/lists/oss-security/2016/11/18/1
Third Party Advisory http://www.securityfocus.com/bid/94395
Patch https://blog.mybb.com/2016/03/11/mybb-1-8-7-merge-system-1-8-7-release/
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 8/34 · Low
Exposure 7/34 · Low