Vulnerability Details : CVE-2015-3183

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.
Published 2015-07-20 23:59:03
Updated 2023-12-14 14:06:56
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2015-3183

Top countries where our scanners detected CVE-2015-3183
Top open port discovered on systems with this issue 80
IPs affected by CVE-2015-3183 3,311,674
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2015-3183!
*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-2015-3183

Probability of exploitation activity in the next 30 days: 7.18%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2015-3183

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

CWE ids for CVE-2015-3183

  • Assigned by: nvd@nist.gov (Primary)
  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-3183

Products affected by CVE-2015-3183

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