CVE-2021-0276 — Vulnetix

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CVE-2021-0276 PUBLISHED CVSS 9.800000190734863 CRITICAL

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.

EPSS 2.63% · 85.5th percentile

Risk Scores

CVSS v3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

2.63%

85.5th percentile

Affected Products

Vendor	Product	Versions
juniper	steel-belted_radius_carrier	8.6.0, 8.4.1, 8.5.0
Juniper Networks	SBR Carrier	8.5.0, 8.6.0, 8.4.1

Timeline

Jul 15, 2021 CVE Published
Jul 16, 2021 EPSS Score
Sep 13, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Jan 9, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 7, 2022 EPSS Score
Jul 5, 2022 EPSS Score
Sep 3, 2022 EPSS Score
Dec 30, 2022 EPSS Score
Feb 27, 2023 EPSS Score

References

https://kb.juniper.net/JSA11180 url
https://nvd.nist.gov/vuln/detail/CVE-2021-0276 advisory

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