CVE-2021-0224 — Allocation of Resources Without Limits or Throttling in Networks Junos OS

CWE-770 — Allocation of Resources Without Limits or Throttling4 documents4 sources

Severity

6.5MEDIUMNVD

EPSS

0.1%

top 76.21%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Juniper Networks Junos OS Juniper Junos

Timeline

PublishedApr 22

Latest updateMay 24

Description

A vulnerability in the handling of internal resources necessary to bring up a large number of Layer 2 broadband remote access subscriber (BRAS) nodes in Juniper Networks Junos OS can cause the Access Node Control Protocol daemon (ANCPD) to crash and restart, leading to a Denial of Service (DoS) condition. Continued processing of spoofed subscriber nodes will create a sustained Denial of Service (DoS) condition. When the number of subscribers attempting to connect exceeds the configured maximum-d…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_osAll — 17.3R3-S12+12

▶NVDjuniper/junos13 versions+12

🔴Vulnerability Details

GHSA

GHSA-m9hm-283g-g7rx: A vulnerability in the handling of internal resources necessary to bring up a large number of Layer 2 broadband remote access subscriber (BRAS) nodes↗2022-05-24

▶

CVEList

Junos OS: ANCPD core when hitting maximum-discovery-table-entries limit↗2021-04-22

▶

📋Vendor Advisories

Juniper

CVE-2021-0224: A vulnerability in the handling of internal resources necessary to bring up a large number of Layer 2 broadband remote access subscriber (BRAS) nodes↗2021-04-22

▶