Vulnerability Details : CVE-2009-4418

The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences.
Published 2009-12-24 17:30:00
Updated 2018-10-30 16:25:36
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2009-4418

Top countries where our scanners detected CVE-2009-4418
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-4418 28,167
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-4418!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-4418

Probability of exploitation activity in the next 30 days: 0.10%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 39 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-4418

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST

CWE ids for CVE-2009-4418

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-4418

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