Vulnerability in Mybb

CVE-2008-4929

MyBB (aka MyBulletinBoard) 1.4.2 uses insufficient randomness to compose filenames of uploaded files used as attachments, which makes it easier for remote attackers to read these files by guessing filenames.

EPSS: 0.022 (81.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Mybb — versions 1.4.2
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
  • cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ, Broken Link)
  • cve@mitre.org (vdb-entry, Broken Link, x_refsource_VUPEN)
  • cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Broken Link)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Exploit, Mailing List)

Frequently asked questions

What is CVE-2008-4929?
CVE-2008-4929 is a high-severity vulnerability in Mybb, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2008-11-04.
How severe is CVE-2008-4929?
High severity. CVSS v3 base score is 7.5 out of 10.