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CVE-2025-52953— Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset

CVSS 6.5 · Medium EPSS 0.17% · P37
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I. Basic Information for CVE-2025-52953

Vulnerability Information
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Vulnerability Title
Junos OS and Junos OS Evolved: An unauthenticated adjacent attacker sending a valid BGP UPDATE packet forces a BGP session reset
Source: NVD (National Vulnerability Database)
Vulnerability Description
An Expected Behavior Violation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker sending a valid BGP UPDATE packet to cause a BGP session reset, resulting in a Denial of Service (DoS).  Continuous receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects iBGP and eBGP and both IPv4 and IPv6 are affected by this vulnerability. This issue affects Junos OS: * All versions before 21.2R3-S9, * from 21.4 before 21.4R3-S11, * from 22.2 before 22.2R3-S7, * from 22.4 before 22.4R3-S7, * from 23.2 before 23.2R2-S4, * from 23.4 before 23.4R2-S4, * from 24.2 before 24.2R2, * from 24.4 before 24.4R1-S3, 24.4R2 Junos OS Evolved: * All versions before 22.2R3-S7-EVO, * from 22.4-EVO before 22.4R3-S7-EVO, * from 23.2-EVO before 23.2R2-S4-EVO, * from 23.4-EVO before 23.4R2-S4-EVO, * from 24.2-EVO before 24.2R2-EVO, * from 24.4-EVO before 24.4R1-S3-EVO, 24.4R2-EVO.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
预期行为违背
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS和Juniper Networks Junos OS Evolved都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Junos OS是一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。Juniper Networks Junos OS Evolved是Junos OS 的升级版系统。 Juniper Networks Junos OS和Juniper Network
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

VendorProductAffected VersionsCPESubscribe
Juniper NetworksJunos OS 0 ~ 21.2R3-S9 -
Juniper NetworksJunos OS Evolved 0 ~ 22.2R3-S7-EVO -

II. Public POCs for CVE-2025-52953

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III. Intelligence Information for CVE-2025-52953

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Same Patch Batch · Juniper Networks · 2025-07-11 · 24 CVEs total

CVE-2025-529509.6 CRITICALJuniper Security Director: Insufficient authorization for multiple endpoints in web interf
CVE-2025-529547.8 HIGHJunos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify th
CVE-2025-529467.5 HIGHJunos OS and Junos OS Evolved: With traceoptions enabled, receipt of malformed AS PATH cau
CVE-2025-529817.5 HIGHJunos OS: SRX Series: Sequence of specific PIM packets causes a flowd crash
CVE-2025-529807.5 HIGHJunos OS: SRX300 Series: rpd will crash upon receiving a specific, valid BGP UPDATE messag
CVE-2025-306617.3 HIGHJunos OS: Low-privileged user can cause script to run as root, leading to privilege escala
CVE-2025-529837.2 HIGHJunos OS: After removing ssh public key authentication root can still log in
CVE-2025-529886.7 MEDIUMJunos OS and Junos OS Evolved: Privilege escalation to root via CLI command 'request syste
CVE-2025-65496.5 MEDIUMJunos OS: SRX Series: J-Web can be exposed on additional interfaces
CVE-2025-529476.5 MEDIUMJunos OS: ACX Series: When 'hot-standby' mode is configured for an L2 circuit, interface f
CVE-2025-529496.5 MEDIUMJunos OS and Junos OS Evolved: In an EVPN environment, receipt of specifically malformed B
CVE-2025-529556.5 MEDIUMJunos OS and Junos OS Evolved: When jflow/sflow is configured continuous logical interface
CVE-2025-529526.5 MEDIUMJunos OS: MX Series with MPC-BUILTIN, MPC 1 through MPC 9: Receipt and processing of a mal
CVE-2025-529646.5 MEDIUMJunos OS and Junos OS Evolved: Receipt of a specific BGP UPDATE causes an rpd crash on dev
CVE-2025-529825.9 MEDIUMJunos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash
CVE-2025-529845.9 MEDIUMJunos OS and Junos OS Evolved: When a static route points to a reject next-hop and a gNMI
CVE-2025-529485.9 MEDIUMJunos OS: Specific unknown traffic pattern causes FPC and system to crash when packet capt
CVE-2025-529515.8 MEDIUMJunos OS: IPv6 firewall filter fails to match payload-protocol
CVE-2025-529635.5 MEDIUMJunos OS: A low-privileged user can disable an interface
CVE-2025-529865.5 MEDIUMJunos OS and Junos OS Evolved: When RIB sharding is configured each time a show command is

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-440

V. Comments for CVE-2025-52953

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