7.8
HIGH
CVE-2015-6271
Cisco ASR 1000 Denial of Service via SIP Packet
Description

Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008.

INFO

Published Date :

Aug. 31, 2015, 8:59 p.m.

Last Modified :

Sept. 20, 2017, 1:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.9

Exploitability Score :

10.0
Public PoC/Exploit Available at Github

CVE-2015-6271 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2015-6271 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 ios_xe
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-2015-6271.

URL Resource
http://tools.cisco.com/security/center/viewAlert.x?alertId=40688 Vendor Advisory
http://www.securitytracker.com/id/1033410

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).

Collection of bash scripts I wrote to make my life easier or test myself that you may find useful.

linux bash bash-script exploits exploit exploitation network

Shell

Updated: 4 months, 4 weeks ago
37 stars 17 fork 17 watcher
Born at : Aug. 24, 2019, 8:48 p.m. This repo has been linked 3 different CVEs too.

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

The following list is the news that have been mention CVE-2015-6271 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-6271 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Sep. 20, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1033410 [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 01, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 AND OR *cpe:2.3:o:cisco:ios_xe:2.1.0:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.1.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.1.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.1.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.2.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.2.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.2.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.3.0:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.3.0t:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.3.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.4.0:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.4.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.4.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.4.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:2.5.0:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asr_1001:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1001-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1002:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1004:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1006:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1013:-:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Changed Reference Type http://tools.cisco.com/security/center/viewAlert.x?alertId=40688 No Types Assigned http://tools.cisco.com/security/center/viewAlert.x?alertId=40688 Advisory
    Added CWE CWE-399
  • Initial Analysis by [email protected]

    Sep. 01, 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-2015-6271 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-2015-6271 weaknesses.

Exploit Prediction

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

0.19 }} 0.00%

score

0.54193

percentile

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