PT-2021-12969 · Juniper Networks · Junos

Published 2021-04-22 · Updated 2022-09-20 · CVE-2021-0260

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions 17.2R1 through 17.4R2-S11 Juniper Networks Junos OS versions 17.3 through 17.3R3-S8 Juniper Networks Junos OS versions 17.4R2-S12 through 17.4R3-S4 Juniper Networks Junos OS versions 18.1 through 18.1R3-S12 Juniper Networks Junos OS versions 18.2 through 18.2R3-S7 Juniper Networks Junos OS versions 18.3 through 18.3R3-S4 Juniper Networks Junos OS versions 18.4 through 18.4R1-S7 Juniper Networks Junos OS versions 18.4R2 through 18.4R2-S4 Juniper Networks Junos OS versions 19.1 through 19.1R1 Juniper Networks Junos OS versions 19.2 through 19.2R1-S5 Juniper Networks Junos OS versions 19.2R2 through 19.2R2 Juniper Networks Junos OS versions 19.3 through 19.3R1

Description: An improper authorization issue in the Simple Network Management Protocol daemon (snmpd) service of Juniper Networks Junos OS allows an unauthenticated attacker to perform SNMP read actions or write actions to OIDs that support write operations against the device without authentication, leading to exposure of system data to an unauthorized control sphere.

Recommendations: For Juniper Networks Junos OS version 17.2, update to version 17.2R1 or later. For Juniper Networks Junos OS version 17.3, update to version 17.3R3-S9 or later. For Juniper Networks Junos OS version 17.4, update to version 17.4R2-S12 or later, or version 17.4R3-S5 or later. For Juniper Networks Junos OS version 18.1, update to version 18.1R3-S13 or later. For Juniper Networks Junos OS version 18.2, update to version 18.2R3-S8 or later. For Juniper Networks Junos OS version 18.3, update to version 18.3R3-S5 or later. For Juniper Networks Junos OS version 18.4, update to version 18.4R1-S8 or later, or version 18.4R2-S5 or later, or version 18.4R3 or later. For Juniper Networks Junos OS version 19.1, update to version 19.1R2 or later. For Juniper Networks Junos OS version 19.2, update to version 19.2R1-S6 or later, or version 19.2R2 or later. For Juniper Networks Junos OS version 19.3, update to version 19.3R2 or later.

Fix

Improper Authorization

Weakness Enumeration

CWE-497

CWE-285

Related Identifiers

CVE-2021-0260

Affected Products

Junos

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-0260 · Security Note
• https://kb.juniper.net/JSA11151 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0260 · Vendor Advisory