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CVE-2021-0276

CVE information

Published

1 year ago

Last Modified

3 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Critical

Impact Analysis

Description

A stack-based Buffer Overflow vulnerability in Juniper Networks SBR Carrier with EAP (Extensible Authentication Protocol) authentication configured, allows an attacker sending specific packets causing the radius daemon to crash resulting with a Denial of Service (DoS) or leading to remote code execution (RCE). By continuously sending this specific packets, an attacker can repeatedly crash the radius daemon, causing a sustained Denial of Service (DoS). This issue affects Juniper Networks SBR Carrier: 8.4.1 versions prior to 8.4.1R19; 8.5.0 versions prior to 8.5.0R10; 8.6.0 versions prior to 8.6.0R4..

CVSSv2.0 Score

Severity
Medium
Base Score
6.8/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Critical
Base Score
9.8/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.4.1:-:*:*:*:
  Yes
- -
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.4.1:r13:*:*:
  Yes
- -
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.5.0:-:*:*:*:
  Yes
- -
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.5.0:r4:*:*:*
  Yes
- -
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.6.0:*:*:*:*:
  Yes
- -