Home/CVE/An improper authorization vulnerability in the Simple Network Management Protocol daemon (snmpd) service of Juniper Netw
CVE

CVE-2021-0260

An improper authorization vulnerability in the Simple Network Management Protocol daemon (snmpd) service of Juniper Netw

An improper authorization vulnerability in the Simple Network Management Protocol daemon (snmpd) service of Juniper Networks Junos OS leads an unauthenticated attacker being able to perform SNMP read actions, an Exposure of System Data to an Unauthorized Control Sphere, or write actions to OIDs that support write operations, against the device without authentication. This issue affects: Juniper Networks Junos OS: 17.2 version 17.2R1 and later versions.

17.3 versions prior to 17.3R3-S9.

17.4 versions prior to 17.4R2-S12, 17.4R3-S5.

18.1 versions prior to 18.1R3-S13.

18.2 versions prior to 18.2R3-S8.

18.3 versions prior to 18.3R3-S5.

18.4 versions prior to 18.4R1-S8, 18.4R2-S5, 18.4R3.

19.1 versions prior to 19.1R2.

19.2 versions prior to 19.2R1-S6, 19.2R2.

19.3 versions prior to 19.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 17.2R1.

HIGH · CVSS 7.3 EPSS 0.00668
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-285Improper Authorization
CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
▤

Affected Products & Versions

1
juniper junosall versions
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · sirt@juniper.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Apr 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.juniper.net/JSA11151Vendor Advisory
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