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CVE-2021-0271— Junos OS: EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series: Receipt of a crafted ARP packet by an adjacent attacker will cause the sfid process to core.

CVSS 6.5 · Medium EPSS 0.08% · P24
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I. Basic Information for CVE-2021-0271

Vulnerability Information
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Vulnerability Title
Junos OS: EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series: Receipt of a crafted ARP packet by an adjacent attacker will cause the sfid process to core.
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Double Free vulnerability in the software forwarding interface daemon (sfid) process of Juniper Networks Junos OS allows an adjacently-connected attacker to cause a Denial of Service (DoS) by sending a crafted ARP packet to the device. Continued receipt and processing of the crafted ARP packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series. 12.3 versions prior to 12.3R12-S17; 15.1 versions prior to 15.1R7-S8. This issue only affects the listed Marvell-chipset based EX Series devices. No other products or platforms are affected.
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
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juniper Networks Junos OS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的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。 Junos OS 存在资源管理错误漏洞，目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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 12.3 ~ 12.3R12-S17 -

II. Public POCs for CVE-2021-0271

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III. Intelligence Information for CVE-2021-0271

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Same Patch Batch · Juniper Networks · 2021-04-22 · 53 CVEs total

CVE-2021-024810.0 CRITICALNFX Series: Hard-coded credentials allow an attacker to take control of any instance throu
CVE-2021-02549.8 CRITICALJunos OS: Remote code execution vulnerability in overlayd service
CVE-2021-02758.8 HIGHJunos OS: J-Web: Cross-site scripting attack allows an attacker to gain control of another
CVE-2021-02688.8 HIGHJunos OS: J-Web has an Improper Neutralization of CRLF Sequences in its HTTP Headers which
CVE-2021-02698.8 HIGHJunos OS: J-Web can be compromised through reflected client-side HTTP parameter pollution
CVE-2021-02518.6 HIGHJunos OS: MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC: The BRAS Subscriber Services s
CVE-2021-02498.1 HIGHJunos OS: SRX Series: A remote attacker may be able to cause a PFE buffer overflow to arbi
CVE-2021-02668.1 HIGHcSRX: Use of Hard-coded Cryptographic Keys allows an attacker to take control of the devic
CVE-2021-02658.1 HIGHContrail Insights: The REST API implementation allows an unauthenticated remote attacker t
CVE-2021-02527.8 HIGHJunos OS: NFX Series: Local Code Execution Vulnerability in JDMD Leads to Privilege Escala
CVE-2021-02457.8 HIGHJunos OS: Junos Fusion: Hard-coded credentials on satellite devices allows a locally authe
CVE-2021-02537.8 HIGHJunos OS: NFX Series: Local Command Execution Vulnerability in JDMD Leads to Privilege Esc
CVE-2021-02707.5 HIGHJunos OS: PTX Series, QFX10K Series: A PTX/QFX FPC may restart unexpectedly with the "inli
CVE-2021-02507.5 HIGHJunos OS and Junos OS Evolved: An attacker sending a specific crafted BGP update message w
CVE-2021-02277.5 HIGHJunos OS: SRX Series: Denial of Service in J-Web upon receipt of crafted HTTP packets
CVE-2021-02337.5 HIGHJunos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while process
CVE-2021-02617.5 HIGHJunos OS: Denial of Service vulnerability in J-Web and web based (HTTP/HTTPS) services cau
CVE-2021-02307.5 HIGHJunos OS: SRX Series: Memory leak when querying Aggregated Ethernet (AE) interface statist
CVE-2021-02447.4 HIGHJunos OS: A race condition in the storm control profile may allow an attacker to cause a D
CVE-2021-02677.4 HIGHJunos OS: Receipt of a crafted DHCP packet will cause the jdhcpd DHCP service to core.

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks

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