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CiscoCVE-2018-0456

HistoryOct 17, 2018 - 8:29 p.m.

CVE-2018-0456

2018-10-1720:29:00

CWE-20

cisco

web.nvd.nist.gov

cve-2018-0456

cisco

nx-os software

snmp

vulnerability

remote attack

dos

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

45.2%

JSON

A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco NX-OS Software could allow an authenticated, remote attacker to cause the SNMP application of an affected device to restart unexpectedly. The vulnerability is due to improper validation of SNMP protocol data units (PDUs) in SNMP packets. An attacker could exploit this vulnerability by sending a crafted SNMP packet to an affected device. A successful exploit could allow the attacker to cause the SNMP application to restart multiple times, leading to a system-level restart and a denial of service (DoS) condition.

Affected configurations

Nvd

Node

cisconx-osMatch9.2\(0.43\)

VendorProductVersionCPE
cisconx-os9.2(0.43)cpe:2.3:o:cisco:nx-os:9.2\(0.43\):*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	nx-os	9.2(0.43)	cpe:2.3:o:cisco:nx-os:9.2\(0.43\):::::::*

CNA Affected

[
  {
    "product": "Cisco NX-OS Software for Nexus 3000 Series 7.0(3)I7(3)",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

www.securityfocus.com/bid/105668

www.securitytracker.com/id/1041921

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nxos-snmp

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.001

Percentile

45.2%

JSON

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