7.5
HIGH
CVE-2017-6672
"Cisco ASR 5000 Series Aggregation Services Routers ACL Bypass Vulnerability"
Description

A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation Services Routers through 21.x could allow an unauthenticated, remote attacker to bypass ACL rules that have been configured for an affected device. More Information: CSCvb99022 CSCvc16964 CSCvc37351 CSCvc54843 CSCvc63444 CSCvc77815 CSCvc88658 CSCve08955 CSCve14141 CSCve33870.

INFO

Published Date :

July 25, 2017, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 3:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-6672 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 asr_5000_series_software
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-2017-6672.

URL Resource
http://www.securityfocus.com/bid/99921 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038962 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1 Vendor Advisory
http://www.securityfocus.com/bid/99921 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038962 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1 Vendor Advisory

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-2017-6672 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-6672 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://www.securityfocus.com/bid/99921
    Added Reference http://www.securitytracker.com/id/1038962
    Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-284 CWE-863
  • Initial Analysis by [email protected]

    Aug. 10, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type http://www.securityfocus.com/bid/99921 No Types Assigned http://www.securityfocus.com/bid/99921 Third Party Advisory, VDB Entry
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1 No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1 Vendor Advisory
    Changed Reference Type http://www.securitytracker.com/id/1038962 No Types Assigned http://www.securitytracker.com/id/1038962 Third Party Advisory, VDB Entry
    Added CWE CWE-284
    Added CPE Configuration OR *cpe:2.3:a:cisco:asr_5000_series_software:19.3.5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:19.3.11:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:19.3.12:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:19.6.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:19.6.3:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:19.6.6:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:20.1.v5:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:20.2.4:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:20.2.12:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:20.3.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:20.3.1:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.0.v1.66638:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.0.v2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.2:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.m0.65710:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.m0.65921:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.m0.65931:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.m0.65986:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.1.v0:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.2.a0.65914:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.2.a0.65995:*:*:*:*:*:*:* *cpe:2.3:a:cisco:asr_5000_series_software:21.3.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 27, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1038962 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/99921 [No Types Assigned]
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-2017-6672 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-2017-6672 weaknesses.

Exploit Prediction

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

0.15 }} -0.01%

score

0.51339

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability