QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2021-0209

Back to search

CVE-2021-0209

Published: Jan 15, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). Continued receipt of these types of valid BGP update packets will cause an extended Denial of Service condition. RPD will require a restart to recover. An indicator of compromise is to see if the file rpd.re exists by issuing the command: show system core-dumps This issue affects: Juniper Networks Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS.

VendorProductVersions

Juniper Networks

Junos OS Evolved

affected
19.4 - < 19.4R2-S2-EVO
affected
20.1 - < 20.1R1-S2-EVO, 20.1R2-S1-EVO

Weaknesses (CWE)

CWE-824

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now