CVE Vulnerability

CVE-2021-0276

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://kb.juniper.net/JSA11180 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:juniper:steel-belted_radius_carrier:8.4.1:-:*:*:*:*:*:*
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.4.1:r13:*:*:*:*:*:*
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.5.0:-:*:*:*:*:*:*
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.5.0:r4:*:*:*:*:*:*
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.6.0:*:*:*:*:*:*:*
Information

Published : 2021-07-15 08:15

Updated : 2022-08-05 03:14

NVD link : CVE-2021-0276

Mitre link : CVE-2021-0276

Products Affected
No products.
CWE
CWE-787