CVE-2024-30380 — Improper Handling of Exceptional Conditions in Networks Junos OS

CWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources

Severity

7.1HIGHNVD

EPSS

0.1%

top 72.02%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Juniper Networks Junos OS Juniper Networks Junos OS Evolved Juniper Junos +1 more

Timeline

PublishedApr 16

Description

An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause a Denial of Service (DoS), which causes the l2cpd process to crash by sending a specific TLV. The l2cpd process is responsible for layer 2 control protocols, such as STP, RSTP, MSTP, VSTP, ERP, and LLDP. The impact of the l2cpd crash is reinitialization of STP protocols (RSTP, MSTP or VSTP), and MVRP and ERP, leading to a Denial of S…

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Affected Packages4 packages

▶CVEListV5juniper_networks/junos_os_evolved21.3 — 21.3R3-S5-EVO+7

▶NVDjuniper/junos_os_evolved< 21.2+8

▶CVEListV5juniper_networks/junos_os21.2 — 21.2R3-S7+8

▶NVDjuniper/junos< 20.4+9

🔴Vulnerability Details

CVEList

Junos OS and Junos OS Evolved: l2cpd crash upon receipt of a specific TLV↗2024-04-16

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GHSA

GHSA-x7p5-c683-6jrp: An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated atta↗2024-04-16

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📋Vendor Advisories

Juniper

CVE-2024-30380: An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated atta↗2024-04-16

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