01 Record

CVE-2021-0260

Junos OS: SNMP fails to properly perform authorization checks on incoming received SNMP requests.

HighPUBLISHEDCNA: juniper

CNA base score7.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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02 Description

Junos OS: SNMP fails to properly perform authorization checks on incoming received SNMP requests.

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.89% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 59.0% of scored records. A rank, not a probability.
NVD base score: 7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-04-22 19:37Z5 YR AGO

Last updated

2024-09-17 01:06Z2 YR AGO

Reserved

2020-10-27

Assigning CNA

juniper

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weaknesses

CWE-285Improper AuthorizationClass
CWE-497Exposure of Sensitive System Information to an Unauthorized Control SphereBase

Data version

5.1

Document digest

a7c6b51e5e027cfb72b6159c85dd44a0e68fb3fd632016f08a6101afa215cdbf

05 Affected products

VendorProductVersionsPlatforms

Juniper NetworksJunos OS17.2R1 to < 17.2*, 17.3 to < 17.3R3-S9, 17.4 to < 17.4R2-S12, 17.4R3-S5, 18.1 to < 18.1R3-S13, 18.2 to < 18.2R3-S8, 18.3 to < 18.3R3-S5, 18.4 to < 18.4R1-S8, 18.4R2-S5, 18.4R3, 19.1 to < 19.1R2, 19.2 to < 19.2R1-S6, 19.2R2, 19.3 to < 19.3R2—

06 References

kb.juniper.nethttps://kb.juniper.net/JSA11151x_refsource_MISC

07 Remediation

The following software releases have been updated to resolve this specific issue: 17.3R3-S9, 17.4R2-S12, 17.4R3-S5, 18.1R3-S13, 18.2R3-S8, 18.3R3-S5, 18.4R1-S8, 18.4R2-S5, 18.4R3, 19.1R2, 19.2R1-S6, 19.2R2, 19.3R2, 19.4R1, and all subsequent releases.