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nvd[email protected]NVD:CVE-2018-0189
HistoryMar 28, 2018 - 10:29 p.m.

CVE-2018-0189

2018-03-2822:29:02
CWE-399
web.nvd.nist.gov

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

34.4%

A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, network attacker to cause a denial of service (DoS) condition. The vulnerability is due to a limitation in the way the FIB is internally representing recursive routes. An attacker could exploit this vulnerability by injecting routes into the routing protocol that have a specific recursive pattern. The attacker must be in a position on the network that provides the ability to inject a number of recursive routes with a specific pattern. An exploit could allow the attacker to cause an affected device to reload, creating a DoS condition. Cisco Bug IDs: CSCva91655.

Affected configurations

NVD
Node
ciscoios_xeRange<15.5\(3\)s5
Node
ciscoios_xeRange<15.5\(3\)m5
Node
ciscoios_xeRange<15.4\(3\)s7
Node
ciscoios_xeRange<15.4\(2\)s1
Node
ciscoios_xeRange<15.4\(1\)s1
Node
ciscoios_xeRange<15.4\(1\)s0a
Node
ciscoios_xeRange<15.2\(5\)e1
Node
ciscoios_xeRange<15.2\(4\)e5
Node
ciscoios_xeRange<15.2\(2\)e1
Node
ciscoios_xeRange<15.2\(1\)e1

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

34.4%

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