6.8
MEDIUM
CVE-2015-6309
Cisco Email Security Appliance (ESA) HTTP Request Denial of Service Vulnerability
Description

Cisco Email Security Appliance (ESA) 8.5.6-106 and 9.6.0-042 allows remote authenticated users to cause a denial of service (file-descriptor consumption and device reload) via crafted HTTP requests, aka Bug ID CSCuw32211.

INFO

Published Date :

Oct. 2, 2015, 3:59 p.m.

Last Modified :

Nov. 21, 2024, 2:34 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.9

Exploitability Score :

8.0
Affected Products

The following products are affected by CVE-2015-6309 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco email_security_appliance_firmware
2 Cisco email_security_appliance
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-6309.

URL Resource
http://tools.cisco.com/security/center/viewAlert.x?alertId=41241 Vendor Advisory
http://www.securitytracker.com/id/1033716 Third Party Advisory VDB Entry
http://tools.cisco.com/security/center/viewAlert.x?alertId=41241 Vendor Advisory
http://www.securitytracker.com/id/1033716 Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-6309 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-6309 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://tools.cisco.com/security/center/viewAlert.x?alertId=41241
    Added Reference http://www.securitytracker.com/id/1033716
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:cisco:email_security_appliance:8.5.6-106:*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:email_security_appliance_firmware:8.5.6-106:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Dec. 12, 2016

    Action Type Old Value New Value
    Changed Reference Type http://www.securitytracker.com/id/1033716 No Types Assigned http://www.securitytracker.com/id/1033716 Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Dec. 08, 2016

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1033716 [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 05, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:h:cisco:email_security_appliance:8.5.6-106:*:*:*:*:*:*:* *cpe:2.3:h:cisco:email_security_appliance:9.6.0-042:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:C)
    Changed Reference Type http://tools.cisco.com/security/center/viewAlert.x?alertId=41241 No Types Assigned http://tools.cisco.com/security/center/viewAlert.x?alertId=41241 Advisory
    Added CWE CWE-399
  • Initial Analysis by [email protected]

    Oct. 05, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-6309 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-6309 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} -0.04%

score

0.31694

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability