Home/CVE/vBulletin through 5.5.4 mishandles custom avatars.
CVE

CVE-2019-17132

vBulletin through 5.5.4 mishandles custom avatars.

vBulletin through 5.5.4 mishandles custom avatars.

CRITICAL · CVSS 9.8 EPSS 0.25202
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

1
vbulletin<= 5.5.4
⚠

Public Exploits & PoCs

2
webappsvBulletin 5.0 < 5.5.4 - 'updateAvatar' Authenticated Remote Code Execution2019-10-07
pocpacketstormsecurity.com · vBulletin-5.5.4-Remote-Code-Execution.htmlpacketstormsecurity.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Oct 2019 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2019/Oct/9Third Party Advisory
https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4423646-vbulletin-5-5-x-5-5-2-5-5-3-and-5-5-4-security-patch-level-2Vendor Advisory
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