4.7
MEDIUM
CVE-2019-1758
"Cisco Catalyst 6500 Series Switches 802.1x Authentication Bypass Vulnerability"
Description

A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authentication. The vulnerability is due to how the 802.1x packets are handled in the process path. An attacker could exploit this vulnerability by attempting to connect to the network on an 802.1x configured port. A successful exploit could allow the attacker to intermittently obtain access to the network.

INFO

Published Date :

March 28, 2019, 1:29 a.m.

Last Modified :

Oct. 9, 2019, 11:47 p.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2019-1758 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
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-2019-1758.

URL Resource
http://www.securityfocus.com/bid/107616 Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-c6500 Patch 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-2019-1758 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-1758 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]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Cisco Systems, Inc. AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
    Added CWE Cisco Systems, Inc. CWE-287
  • Initial Analysis by [email protected]

    Apr. 02, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:A/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-c6500 No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-c6500 Patch, Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/107616 No Types Assigned http://www.securityfocus.com/bid/107616 Third Party Advisory, VDB Entry
    Added CWE CWE-287
    Added CPE Configuration OR *cpe:2.3:o:cisco:ios:12.2\(33\)sxj6:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:12.2\(33\)sxj7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:12.2\(33\)sxj8:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:12.2\(33\)sxj9:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:12.2\(33\)sxj10:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:12.2\(60\)ez12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(1\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(1\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(1\)sy3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(1\)sy4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(1\)sy5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(1\)sy6:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sg8a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy4a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy6:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy8:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy9:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy10:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy11:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(2\)sy13:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svg3d:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svi1b:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svk4b:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svk4c:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svm3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svn2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svo1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svo2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svp1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(3\)svp2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.1\(4\)m12c:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy0a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy6:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(1\)sy7:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(2\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(2\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(2\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(2\)sy3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(3\)ea1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(4\)jn1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.2\(4a\)ea5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(0\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(1\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(1\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(1\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(3\)ja1n:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(3\)jf35:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.3\(3\)ji2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.4\(1\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.4\(1\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.4\(1\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.4\(1\)sy3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.4\(1\)sy4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.5\(1\)sy:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.5\(1\)sy1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.5\(1\)sy2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios:15.6\(2\)sp3b:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 29, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/107616 [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-2019-1758 is associated with the following CWEs:

Exploit Prediction

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

0.05 }} -0.00%

score

0.20584

percentile

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