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VULNERABILITIES

CVE-2021-0233 Details

Description

A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://kb.juniper.net/JSA11128 CVEVendor Advisory
https://kb.juniper.net/JSA11128 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-794Incomplete Filtering of Multiple Instances of Special Elements[email protected]

Affected Products

ProductVersions
juniper junos
17.4 -
17.4 r1
17.4 r1-s1
17.4 r1-s2
17.4 r1-s3

CPE

  • cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s3:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s5:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s6:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r1-s7:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s1:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s10:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s11:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s2:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s3:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s4:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s5:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s6:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s7:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s8:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r2-s9:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r3:*:*:*:*:*:*
  • cpe:2.3:o:juniper:junos:17.4:r3-s1:*:*:*:*:*:*

Remediation

  • No remediation found in references.
juniper acx4000
All versions

CPE

  • cpe:2.3:h:juniper:acx4000:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
juniper acx500
All versions

CPE

  • cpe:2.3:h:juniper:acx500:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-0233
NVD Published Date:
Apr 22, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-0233 Details - Not Deferred