CVE-2008-4929

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 73.0%
KEV: Not listed

Published

November 4, 2008

Last Modified

April 23, 2026

Advisory Details (3)

Auto-updated May 30, 2026

No patch confirmed yet.

generic

VUPEN Security - Vulnerability Research and Intelligence

http://www.vupen.com/english/advisories/2008/2967

generic

http://www.securityfocus.com/bid/31936

generic

oss-security - CVE request (Fwd: MyBB 1.4.2: Multiple Vulnerabilties)

http://www.openwall.com/lists/oss-security/2008/11/01/2

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-330Use of Insufficiently Random Values

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 19:39 UTCEG score recompute
2026-05-30 19:39 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(5)

What is CVE-2008-4929?

CVE-2008-4929 is a high vulnerability published on November 4, 2008. 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.

When was CVE-2008-4929 disclosed?

CVE-2008-4929 was first published in the National Vulnerability Database on November 4, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2008-4929 actively exploited?

CVE-2008-4929 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2008-4929?

CVE-2008-4929 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2008-4929?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-4929, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2008-4929

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

VUPEN Security - Vulnerability Research and Intelligence

oss-security - CVE request (Fwd: MyBB 1.4.2: Multiple Vulnerabilties)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2008-4929?

🔗 Related CVEs(same CWE)

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Published

Last Modified

Advisory Details (3)

Frequently asked(5)

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