Vulnerability Details CVE-2021-31385
An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S19; 15.1 versions prior to 15.1R7-S10; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.3%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 8.5
Products affected by CVE-2021-31385
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cpe:2.3:o:juniper:junos:12.3
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cpe:2.3:o:juniper:junos:15.1
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cpe:2.3:o:juniper:junos:18.3
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cpe:2.3:o:juniper:junos:18.4
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cpe:2.3:o:juniper:junos:19.1
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cpe:2.3:o:juniper:junos:19.2
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cpe:2.3:o:juniper:junos:19.3
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cpe:2.3:o:juniper:junos:19.4
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cpe:2.3:o:juniper:junos:20.1
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cpe:2.3:o:juniper:junos:20.2
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cpe:2.3:o:juniper:junos:20.3
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cpe:2.3:o:juniper:junos:20.4
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cpe:2.3:o:juniper:junos:21.1