CVEvulnerability

CVE-2019-1758

4.3 MEDIUM Published 2019-03-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-03-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
4.7 MEDIUM — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS 3.0 ([email protected])
4.3 MEDIUM — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0 ([email protected])
3.3 LOW — AV:A/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-287

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.

Affected configurations

• cisco ios 12.2\(33\)sxj6 • cisco ios 12.2\(33\)sxj7 • cisco ios 12.2\(33\)sxj8 • cisco ios 12.2\(33\)sxj9 • cisco ios 12.2\(33\)sxj10 • cisco ios 12.2\(60\)ez12 • cisco ios 15.1\(1\)sy1 • cisco ios 15.1\(1\)sy2 • cisco ios 15.1\(1\)sy3 • cisco ios 15.1\(1\)sy4 • cisco ios 15.1\(1\)sy5 • cisco ios 15.1\(1\)sy6 • cisco ios 15.1\(2\)sg8a • cisco ios 15.1\(2\)sy • cisco ios 15.1\(2\)sy1 • cisco ios 15.1\(2\)sy2 • cisco ios 15.1\(2\)sy3 • cisco ios 15.1\(2\)sy4 • cisco ios 15.1\(2\)sy4a • cisco ios 15.1\(2\)sy5 • cisco ios 15.1\(2\)sy6 • cisco ios 15.1\(2\)sy7 • cisco ios 15.1\(2\)sy8 • cisco ios 15.1\(2\)sy9 • cisco ios 15.1\(2\)sy10 • cisco ios 15.1\(2\)sy11 • cisco ios 15.1\(2\)sy12 • cisco ios 15.1\(2\)sy13 • cisco ios 15.1\(3\)svg3d • cisco ios 15.1\(3\)svi1b • cisco ios 15.1\(3\)svk4b • cisco ios 15.1\(3\)svk4c • cisco ios 15.1\(3\)svm3 • cisco ios 15.1\(3\)svn2 • cisco ios 15.1\(3\)svo1 • cisco ios 15.1\(3\)svo2 • cisco ios 15.1\(3\)svp1 • cisco ios 15.1\(3\)svp2 • cisco ios 15.1\(4\)m12c • cisco ios 15.2\(1\)sy • cisco ios 15.2\(1\)sy0a • cisco ios 15.2\(1\)sy1 • cisco ios 15.2\(1\)sy1a • cisco ios 15.2\(1\)sy2 • cisco ios 15.2\(1\)sy3 • cisco ios 15.2\(1\)sy4 • cisco ios 15.2\(1\)sy5 • cisco ios 15.2\(1\)sy6 • cisco ios 15.2\(1\)sy7 • cisco ios 15.2\(2\)sy • cisco ios 15.2\(2\)sy1 • cisco ios 15.2\(2\)sy2 • cisco ios 15.2\(2\)sy3 • cisco ios 15.2\(3\)ea1 • cisco ios 15.2\(4\)jn1 • cisco ios 15.2\(4a\)ea5 • cisco ios 15.3\(0\)sy • cisco ios 15.3\(1\)sy • cisco ios 15.3\(1\)sy1 • cisco ios 15.3\(1\)sy2 … and 12 more

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References