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Medium severity5.3NVD Advisory· Published Oct 13, 2017· Updated Jun 17, 2026

CVE-2017-10621

CVE-2017-10621

Description

A denial of service vulnerability in telnetd service on Juniper Networks Junos OS allows remote unauthenticated attackers to cause a denial of service. Affected Junos OS releases are: 12.1X46 prior to 12.1X46-D71; 12.3X48 prior to 12.3X48-D50; 14.1 prior to 14.1R8-S5, 14.1R9; 14.1X53 prior to 14.1X53-D50; 14.2 prior to 14.2R7-S9, 14.2R8; 15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6; 15.1X49 prior to 15.1X49-D90; 15.1X53 prior to 15.1X53-D47; 16.1 prior to 16.1R4-S1, 16.1R5; 16.2 prior to 16.2R1-S3, 16.2R2;

Affected products

12
  • Juniper Networks/Junos12 versions
    cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*+ 11 more
    • cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:12.3x48:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:14.1:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:14.1x53:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:14.2:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:15.1:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:15.1x49:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:15.1x53:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.1:*:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:16.2:*:*:*:*:*:*:*
    • (no CPE)range: 12.1X46 prior to 12.1X46-D71, 12.3X48 prior to 12.3X48-D50, 14.1 prior to 14.1R8-S5, 14.1R9, 14.1X53 prior to 14.1X53-D50, 14.2 prior to 14.2R7-S9, 14.2R8, 15.1 prior to 15.1F2-S16, 15.1F5-S7, 15.1F6-S6, 15.1R5-S2, 15.1R6, 15.1X49 prior to 15.1X49-D90, 15.1X53 prior to 15.1X53-D47, 16.1 prior to 16.1R4-S1, 16.1R5, 16.2 prior to 16.2R1-S3, 16.2R2
    • (no CPE)range: 12.1X46 prior to 12.1X46-D71

Patches

Vulnerability mechanics

References

1

News mentions

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