Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-31373

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
19/10/2021
Last modified:
27/10/2021

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
5.40
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
3.50
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r1-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r1-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r1-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.2:r2-s8:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools