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Juniper Junos OS: 2021-10 Security Bulletin: Junos OS: SRX Series: Persistent XSS vulnerability in J-Web (JSA11238) (CVE-2021-31373)

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Juniper Junos OS: 2021-10 Security Bulletin: Junos OS: SRX Series: Persistent XSS vulnerability in J-Web (JSA11238) (CVE-2021-31373)

Severity
4
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
10/14/2021
Created
10/15/2021
Added
10/14/2021
Modified
03/21/2022

Description

A persistent Cross-Site Scripting (XSS) vulnerability in Juniper Networks Junos OS on SRX Series, J-Web interface may allow a remote authenticated user to inject persistent and malicious scripts. An attacker can exploit this vulnerability to steal sensitive data and credentials from a web administration session, or hijack another user's active session to perform administrative actions. This issue affects: Juniper Networks Junos OS on SRX Series: 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3-S1; 20.3 versions prior to 20.3R2-S1, 20.3R3.

Solution(s)

  • juniper-junos-os-upgrade-latest

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