Detections
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Juniper Junos OS Vulnerability (JSA11159)

high Nessus Plugin ID 148660

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11159 advisory.

Note: Nessus found J-Web enabled [set system services web-management http(s)] on this device.

Solution

- Disable J-Web.
- To reduce the risk of exploitation utilize common security BCPs to limit the exploitable surface by limiting access to network and device to trusted systems, administrators, networks and hosts.

See Also

https://kb.juniper.net/JSA11159

Plugin Details

Severity: High

ID: 148660

File Name: juniper_jsa11159.nasl

Version: 1.5

Type: Combined

Published: 4/15/2021

Updated: 4/22/2026

Supported Sensors: Nessus

Risk Information

CVSS Score Rationale: Set to score from vendor advisory.

VPR

Risk Factor: Medium

Score: 6.3

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:P/A:P

CVSS Score Source: manual

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 4/14/2021

Vulnerability Publication Date: 4/14/2021

Reference Information

CVE: CVE-2021-0268

JSA: JSA11159