CVE-2021-0276

CVSS V2 Medium 6.8 CVSS V3 Critical 9.8
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.
Overview
  • CVE ID
  • CVE-2021-0276
  • Assigner
  • sirt@juniper.net
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-15T20:15:09
  • Last Modified Date
  • 2022-08-05T15:14:58
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.4.1:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.4.1:r13:*:*:*:*:*:* 1 OR
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.5.0:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.5.0:r4:*:*:*:*:*:* 1 OR
cpe:2.3:a:juniper:steel-belted_radius_carrier:8.6.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://kb.juniper.net/JSA11180 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-0276
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0276
History
Created Old Value New Value Data Type Notes
2022-05-10 15:52:49 Added to TrackCVE
2022-12-05 06:17:19 2021-07-15T20:15Z 2021-07-15T20:15:09 CVE Published Date updated
2022-12-05 06:17:19 2022-08-05T15:14:58 CVE Modified Date updated
2022-12-05 06:17:19 Analyzed Vulnerability Status updated