Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-39519— Junos OS Evolved: ACX 7000 Series: Multicast traffic is looped in a multihoming EVPN MPLS scenario

Quick assessment

Affected
Juniper Networks Junos OS Evolved
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Networks Junos OS Evolved是美国瞻博网络（Juniper Networks）公司的Junos OS 的升级版系统。 Juniper Networks Junos OS Evolved存在安全漏洞，该漏洞源于数据包转发引擎对异常情况检查不当，允许未经身份验证的相邻攻击者造成拒绝服务。以下版本受到影响：22.2R1-EVO之后版本及22.4R2-EVO之前版本。

CVSS 6.5 · Medium EPSS 0.25% · P14
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-39519

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Junos OS Evolved: ACX 7000 Series: Multicast traffic is looped in a multihoming EVPN MPLS scenario
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). On all ACX 7000 Series platforms running Junos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic. This issue affects Junos OS Evolved:  All versions from 22.2R1-EVO and later versions before 22.4R2-EVO, This issue does not affect Junos OS Evolved versions before 22.1R1-EVO.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS Evolved 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS Evolved是美国瞻博网络（Juniper Networks）公司的Junos OS 的升级版系统。 Juniper Networks Junos OS Evolved存在安全漏洞，该漏洞源于数据包转发引擎对异常情况检查不当，允许未经身份验证的相邻攻击者造成拒绝服务。以下版本受到影响：22.2R1-EVO之后版本及22.4R2-EVO之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos OS Evolved 22.1-EVO -

II. Public POCs for CVE-2024-39519

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-39519

请登录查看更多情报信息。

Other References for CVE-2024-39519 (1)

Same Patch Batch · Juniper Networks · 2024-07-11 · 29 CVEs total

CVE-2024-39521 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39522 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39523 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39524 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39520 7.8 HIGH Junos OS Evolved: CLI parameter processing issue allows privilege escalation
CVE-2024-39542 7.5 HIGH Junos OS and Junos OS Evolved: A malformed CFM packet or specific transit traffic leads to
CVE-2024-39540 7.5 HIGH Junos OS: SRX Series, and MX Series with SPC3: Specific valid TCP traffic can cause a pfe
CVE-2024-39545 7.5 HIGH Junos OS: SRX Series, MX Series with SPC3 and NFX350: When VPN tunnels parameters are not
CVE-2024-39548 7.5 HIGH Junos OS Evolved: Receipt of specific packets in the aftmand process will lead to a memory
CVE-2024-39549 7.5 HIGH Junos OS and Junos OS Evolved: Receipt of malformed BGP path attributes leads to a memory
CVE-2024-39551 7.5 HIGH Junos OS: SRX Series and MX Series with SPC3 and MS-MPC/MIC: Receipt of specific packets i
CVE-2024-39552 7.5 HIGH Junos OS and Junos OS Evolved: Malformed BGP UPDATE causes RPD crash
CVE-2024-39531 7.5 HIGH Junos OS Evolved: ACX 7000 Series: Protocol specific DDoS configuration affects other prot
CVE-2024-39530 7.5 HIGH Junos OS: Attempting to access specific sensors on platforms not supporting these will lea
CVE-2024-39529 7.5 HIGH Junos OS: SRX Series: If DNS traceoptions are configured in a DGA or tunnel detection scen
CVE-2024-39546 7.3 HIGH Junos OS Evolved: Local low-privilege user can gain root permissions leading to privilege
CVE-2024-39550 6.5 MEDIUM Junos OS: MX Series with SPC3 line card: Port flaps causes rtlogd memory leak leading to D
CVE-2024-39543 6.5 MEDIUM Junos OS and Junos OS Evolved: Receipt of a large RPKI-RTR PDU packet can cause rpd to cra
CVE-2024-39553 6.5 MEDIUM Junos OS Evolved: Receipt of arbitrary data when sampling service is enabled, leads to par
CVE-2024-39541 6.5 MEDIUM Junos OS and Junos OS Evolved: Inconsistent information in the TE database can lead to an

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS Evolved
Same vendor: Juniper Networks
Same weakness: CWE-754

V. Comments for CVE-2024-39519

No comments yet

Leave a comment