CVE-2021-0233 — Uncontrolled Resource Consumption in Networks Junos OS

CWE-400 — Uncontrolled Resource ConsumptionCWE-794 — Incomplete Filtering of Multiple Instances of Special Elements4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 32.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Juniper Networks Junos OSJuniper Junos
Timeline
PublishedApr 22
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_os17.4 — 17.4R3-S2
▶NVDjuniper/junos17.4

🔴Vulnerability Details

2
GHSA
GHSA-h524-gfx3-m768: 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↗2022-05-24
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CVEList
Junos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while processing high rate of specific packets.↗2021-04-22
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📋Vendor Advisories

1
Juniper
CVE-2021-0233: 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↗2021-04-22
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CVE-2021-0233 — Uncontrolled Resource Consumption | cvebase