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CiscoCVE-2021-1431

HistoryMar 24, 2021 - 8:15 p.m.

CVE-2021-1431

2021-03-2420:15:14

CWE-20

cisco

web.nvd.nist.gov

cisco

ios

sd-wan

software

vulnerability

remote attacker

denial of service

nvd

cve-2021-1431

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

52.6%

JSON

A vulnerability in the vDaemon process of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected configurations

Nvd

Node

ciscoios_xeMatch3.15.1xbs

ciscoios_xeMatch3.15.2xbs

ciscoios_xeMatch16.11.1

ciscoios_xeMatch16.11.1a

ciscoios_xeMatch16.11.1b

ciscoios_xeMatch16.11.1c

ciscoios_xeMatch16.11.1s

ciscoios_xeMatch16.11.2

ciscoios_xeMatch16.12.1

ciscoios_xeMatch16.12.1a

ciscoios_xeMatch16.12.1c

ciscoios_xeMatch16.12.1s

ciscoios_xeMatch16.12.1t

ciscoios_xeMatch16.12.1w

ciscoios_xeMatch16.12.1x

ciscoios_xeMatch16.12.1y

ciscoios_xeMatch16.12.1z

ciscoios_xeMatch16.12.2

ciscoios_xeMatch16.12.2a

ciscoios_xeMatch16.12.2s

ciscoios_xeMatch16.12.2t

ciscoios_xeMatch16.12.3

ciscoios_xeMatch16.12.3a

ciscoios_xeMatch16.12.3s

ciscoios_xeMatch16.12.4

ciscoios_xeMatch16.12.4a

ciscoios_xeMatch17.2.1

ciscoios_xeMatch17.2.1a

ciscoios_xeMatch17.2.1r

ciscoios_xeMatch17.2.1v

ciscoios_xeMatch17.2.2

ciscoios_xeMatch17.2.3

VendorProductVersionCPE
ciscoios_xe3.15.1xbscpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*
ciscoios_xe3.15.2xbscpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*
ciscoios_xe16.11.1cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
ciscoios_xe16.11.1acpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
ciscoios_xe16.11.1bcpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
ciscoios_xe16.11.1ccpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
ciscoios_xe16.11.1scpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
ciscoios_xe16.11.2cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
ciscoios_xe16.12.1cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
ciscoios_xe16.12.1acpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	ios_xe	3.15.1xbs	cpe:2.3:o:cisco:ios_xe:3.15.1xbs:::::::*
cisco	ios_xe	3.15.2xbs	cpe:2.3:o:cisco:ios_xe:3.15.2xbs:::::::*
cisco	ios_xe	16.11.1	cpe:2.3:o:cisco:ios_xe:16.11.1:::::::*
cisco	ios_xe	16.11.1a	cpe:2.3:o:cisco:ios_xe:16.11.1a:::::::*
cisco	ios_xe	16.11.1b	cpe:2.3:o:cisco:ios_xe:16.11.1b:::::::*
cisco	ios_xe	16.11.1c	cpe:2.3:o:cisco:ios_xe:16.11.1c:::::::*
cisco	ios_xe	16.11.1s	cpe:2.3:o:cisco:ios_xe:16.11.1s:::::::*
cisco	ios_xe	16.11.2	cpe:2.3:o:cisco:ios_xe:16.11.2:::::::*
cisco	ios_xe	16.12.1	cpe:2.3:o:cisco:ios_xe:16.12.1:::::::*
cisco	ios_xe	16.12.1a	cpe:2.3:o:cisco:ios_xe:16.12.1a:::::::*

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CNA Affected

[
  {
    "product": "Cisco IOS XE Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwdos-4zeEeC9w

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

52.6%

JSON

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