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CVE-2008-4929

21
FAUCET Score

CVE-2008-4929 describes an insufficient randomness vulnerability in MyBB (MyBulletinBoard) version 1.4.2, allowing remote attackers to guess filenames of uploaded attachments and potentially read their contents. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and a high impact on confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4.2CPE matchmatch criteria
cpe:2.3:a:mybb:mybb:1.4.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.24%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0224 is in the 66th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2008-10/0203.html
Broken LinkExploit
archives.neohapsis.com / archives/fulldisclosure/2008-10/0472.html
Broken LinkExploit
openwall.com / lists/oss-security/2008/11/01/2
ExploitMailing List
securityfocus.com / bid/31936
Broken LinkThird Party AdvisoryVDB Entry
vupen.com / english/advisories/2008/2967
Broken Link