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CVE-2005-4200

26
FAUCET Score

CVE-2005-4200 describes multiple unspecified vulnerabilities in MyBulletinBoard (MyBB) versions prior to 1.0. These vulnerabilities have an unknown attack vector and impact, distinct from those in CVE-2005-4199. With a CVSS score of 10.0, this flaw poses a critical risk, allowing for complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.0_pr2CPE matchmatch criteria
cpe:2.3:a:mybulletinboard:mybulletinboard:1.0_pr2:*:*:*:*:*:*:*
1.00_rc1CPE matchmatch criteria
cpe:2.3:a:mybulletinboard:mybulletinboard:1.00_rc1:*:*:*:*:*:*:*
1.00_rc2CPE matchmatch criteria
cpe:2.3:a:mybulletinboard:mybulletinboard:1.00_rc2:*:*:*:*:*:*:*
1.00_rc3CPE matchmatch criteria
cpe:2.3:a:mybulletinboard:mybulletinboard:1.00_rc3:*:*:*:*:*:*:*
1.0_rc4CPE matchmatch criteria
cpe:2.3:a:mybulletinboard:mybulletinboard:1.0_rc4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 66th percentile among its peer group of 51,551 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

community.mybboard.net / showthread.php
secunia.com / advisories/18000
PatchVendor Advisory
securityfocus.com / bid/15793
Patch
vupen.com / english/advisories/2005/2842
Vendor Advisory