CVE-2021-31370 — Incomplete List of Disallowed Inputs in Networks Junos OS

CWE-184 — Incomplete List of Disallowed Inputs4 documents4 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 75.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Juniper Networks Junos OSJuniper Junos
Timeline
PublishedOct 19
Latest updateMay 24

Description

An Incomplete List of Disallowed Inputs vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an adjacent unauthenticated attacker which sends a high rate of specific multicast traffic to cause control traffic received from the network to be dropped. This will impact control protocols (including but not limited to routing-protocols) and lead to a Denial of Service (DoS). Continued receipt of this specific multicast traffic will cr…

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_osunspecified — 17.3R3-S12+12
▶NVDjuniper/junos13 versions+12

Patches

Patch: kb.juniper.net ↗Patch: kb.juniper.net ↗

🔴Vulnerability Details

2
GHSA
GHSA-f8f2-54v2-r935: An Incomplete List of Disallowed Inputs vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and EX4600 Seri↗2022-05-24
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CVEList
Junos OS: QFX5000 Series and EX4600 Series: Control traffic might be dropped if a high rate of specific multicast traffic is received↗2021-10-19
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📋Vendor Advisories

1
Juniper
CVE-2021-31370: An Incomplete List of Disallowed Inputs vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and EX4600 Seri↗2021-10-19
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CVE-2021-31370 — Incomplete List of Disallowed Inputs | cvebase