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CVE-2021-0275— Junos OS: J-Web: Cross-site scripting attack allows an attacker to gain control of another users session.

CVSS 8.8 · High EPSS 0.53% · P67
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I. Basic Information for CVE-2021-0275

Vulnerability Information
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Vulnerability Title
Junos OS: J-Web: Cross-site scripting attack allows an attacker to gain control of another users session.
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Cross-site Scripting (XSS) vulnerability in J-Web on Juniper Networks Junos OS allows an attacker to target another user's session thereby gaining access to the users session. The other user session must be active for the attack to succeed. Once successful, the attacker has the same privileges as the user. If the user has root privileges, the attacker may be able to gain full control of the device. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S15 on EX Series; 12.3X48 versions prior to 12.3X48-D95 on SRX Series; 15.1 versions prior to 15.1R7-S6 on EX Series; 15.1X49 versions prior to 15.1X49-D200 on SRX Series; 16.1 versions prior to 16.1R7-S7; 16.2 versions prior to 16.2R2-S11, 16.2R3; 17.1 versions prior to 17.1R2-S11, 17.1R3-S2; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S7; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3-S1; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3; 19.1 versions prior to 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S3, 19.2R2; 19.3 versions prior to 19.3R2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Juniper Networks Junos OS 跨站脚本漏洞
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 存在跨站脚本漏洞，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-S15 -
Juniper NetworksJunos OS 12.3X48 ~ 12.3X48-D95 -
Juniper NetworksJunos OS 16.1 ~ 16.1R7-S7 -

II. Public POCs for CVE-2021-0275

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III. Intelligence Information for CVE-2021-0275

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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-2021-02698.8 HIGHJunos OS: J-Web can be compromised through reflected client-side HTTP parameter pollution
CVE-2021-02688.8 HIGHJunos OS: J-Web has an Improper Neutralization of CRLF Sequences in its HTTP Headers which
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-2021-02537.8 HIGHJunos OS: NFX Series: Local Command Execution Vulnerability in JDMD Leads to Privilege Esc
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-2021-02277.5 HIGHJunos OS: SRX Series: Denial of Service in J-Web upon receipt of crafted HTTP packets
CVE-2021-02617.5 HIGHJunos OS: Denial of Service vulnerability in J-Web and web based (HTTP/HTTPS) services cau
CVE-2021-02507.5 HIGHJunos OS and Junos OS Evolved: An attacker sending a specific crafted BGP update message w
CVE-2021-02707.5 HIGHJunos OS: PTX Series, QFX10K Series: A PTX/QFX FPC may restart unexpectedly with the "inli
CVE-2021-02307.5 HIGHJunos OS: SRX Series: Memory leak when querying Aggregated Ethernet (AE) interface statist
CVE-2021-02337.5 HIGHJunos OS: ACX500 Series, ACX4000 Series: Denial of Service due to FFEB crash while process
CVE-2021-02417.4 HIGHJunos OS: Receipt of specific DHCPv6 packet may cause jdhcpd to crash and restart
CVE-2021-02447.4 HIGHJunos OS: A race condition in the storm control profile may allow an attacker to cause a D
CVE-2021-02327.4 HIGHParagon Active Assurance: Authentication bypass vulnerability in Control Center

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

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-79

V. Comments for CVE-2021-0275

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