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CVE-2021-0294

CVE information

Published

1 year ago

Last Modified

1 year ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

A vulnerability in Juniper Networks Junos OS, which only affects the release 18.4R2-S5, where a function is inconsistently implemented on Juniper Networks Junos QFX5000 Series and EX4600 Series, and if "storm-control enhanced" is configured, can lead to the enhanced storm control filter group not be installed. It will cause storm control not to work hence allowing an attacker to cause high CPU usage or packet loss issues by sending a large amount of broadcast or unknown unicast packets arriving the device. This issue affects Juniper Networks QFX5100, QFX5110, QFX5120, QFX5200, QFX5210, EX4600, and EX4650, and QFX5100 with QFX 5e Series image installed. QFX5130 and QFX5220 are not affected from this issue. This issue affects Juniper Networks Junos OS 18.4R2-S5 on QFX5000 Series and EX4600 Series. No other product or platform is affected by this vulnerability..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.3/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
1.4/10
Confidentiality Impact
None
Availability Impact
Low
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:juniper:junos:18.4:r2-s5:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:juniper:qfx5110:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:juniper:qfx5100:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:juniper:qfx5200:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:juniper:ex4600:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:juniper:qfx5120:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:juniper:qfx5210:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:juniper:ex4650:-:*:*:*:*:*:*:*
  No
-