Remote Code Execution Vulnerability in MyBB Bulletin Board Software
CVE-2016-9420

9.8CRITICAL

Key Information:

Vendor

Mybb

Status
Merge System
Mybb
Vendor
CVE Published:
31 January 2017

What is CVE-2016-9420?

The MyBB software, specifically versions prior to 1.8.8, is susceptible to a vulnerability that allows remote attackers to exploit issues related to loose comparison evaluations. This security flaw can lead to unauthorized actions being executed on the server, potentially compromising the integrity and confidentiality of the board's user data. It is crucial for users of affected versions to upgrade to the latest release to mitigate risks associated with this vulnerability.

References

https://blog.mybb.com/2016/10/17/mybb-1-8-8-merge-system-...
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http://www.openwall.com/lists/oss-security/2016/11/18/1
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http://www.openwall.com/lists/oss-security/2016/11/10/8
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EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.