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CVE-2021-1313

CVE information

Published

1 year ago

Last Modified

5 months ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

High

Impact Analysis

Description

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory..

CVSSv2.0 Score

Severity
High
Base Score
7.8/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.9/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
7.5/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
  Yes
5.3.0 5.3.4
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
  Yes
5.0.0 5.2.6