Vulnerability identifier: #VU57419

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31360

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system
Junos OS Evolved
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can escalate privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 15.1R - 15.1R7-S9, 17.4R1 - 17.4R3-S4, 17.4R2-S9, 18.3R1 - 18.3R3-S4, 18.3R3-S1, 18.3R2-S3, 18.4R1 - 18.4R3-S8, 18.4R2-S3, 18.4R1-S5, 19.1R - 19.1R3-S5, 19.1R1-S4, 19.2R1 - 19.2R3-S2, 19.2R1-S4, 19.3R1 - 19.3R3-S2, 19.3R2 - 19.3R2-S5, 19.3R1-S1, 19.4R2 - 19.4R3-S5, 19.4R1 - 19.4R1-S4, 20.1R1 - 20.1R3, 20.2R1 - 20.2R3-S1, 20.3R1 - 20.3R2-S1, 20.4R1 - 20.4R2, 21.1R1

Junos OS Evolved: 20.4 - 20.4R2-S1-EVO, 20.4R2-S2-EVO, 21.2-EVO

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External links
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA11222&cat=SIRT_1&actp=LIST

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.