Red Hat Enterprise Linux 7.0 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in Red Hat Enterprise Linux 7.0 (Operating System). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

A certain tomcat7 package for Apache Tomcat 7 in Red Hat Enterprise Linux (RHEL) 7 allows remote attackers to cause a denial of service (CPU consumption) via a crafted request. NOTE: this vulnerability exists because of an unspecified regression.

The weakness was presented 06/14/2014 with Red Hat (Website). The advisory is shared for download at This vulnerability was named CVE-2014-0186 since 12/03/2013. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/22/2022).

The vulnerability scanner Nessus provides a plugin with the ID 76733 (Oracle Linux 7 : tomcat (ELSA-2014-0686)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350769 (Amazon Linux Security Advisory for tomcat7: AL2012-2015-062).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (76733). See VDB-157870, VDB-158039, VDB-161241 and VDB-165404 for similar entries.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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Class: Denial of service
CWE: CWE-404

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 76733
Nessus Name: Oracle Linux 7 : tomcat (ELSA-2014-0686)
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Threat Intelligenceinfo

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Recommended: no mitigation known
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0-Day Time: 🔍


12/03/2013 🔍
06/14/2014 +193 days 🔍
06/14/2014 +0 days 🔍
06/14/2014 +0 days 🔍
06/14/2014 +0 days 🔍
06/18/2014 +4 days 🔍
03/26/2015 +281 days 🔍
03/22/2022 +2553 days 🔍



Advisory: RHSA-2014:0686
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-0186 (🔍)

Vulnerability Center: 45039 - Apache Tomcat 7 Remote DoS Vulnerability via a Crafted Request, High
SecurityFocus: 68072 - Apache Tomcat CVE-2014-0186 Remote Denial of Service Vulnerability
OSVDB: 108060

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Created: 03/26/2015 12:07 PM
Updated: 03/22/2022 04:49 PM
Changes: 03/26/2015 12:07 PM (62), 05/31/2017 08:49 AM (5), 03/22/2022 04:41 PM (3), 03/22/2022 04:49 PM (1)
Complete: 🔍
Cache ID: 3:450:40


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