CVE-2021-1431

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-1431
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-24T20:15:14
  • Last Modified Date
  • 2021-03-29T20:07:09
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.2a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.2s:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.2t:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.3a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.3s:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:16.12.4a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:17.2.1a:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:17.2.1r:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:17.2.1v:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:17.2.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:cisco:ios_xe:17.2.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwdos-4zeEeC9w Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-1431
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1431
History
Created Old Value New Value Data Type Notes
2022-05-10 07:18:15 Added to TrackCVE
2022-12-06 00:20:12 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-06 00:20:12 2021-03-24T20:15Z 2021-03-24T20:15:14 CVE Published Date updated
2022-12-06 00:20:12 2021-03-29T20:07:09 CVE Modified Date updated
2022-12-06 00:20:12 Analyzed Vulnerability Status updated