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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2020-1639

When an attacker sends a specific crafted Ethernet Operation, Administration, and Maintenance (Ethernet OAM) packet to a target device, it may improperly handle the incoming malformed data and fail to sanitize this incoming data resulting in an overflow condition. This overflow condition in Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) condition by coring the CFM daemon. Continued receipt of these packets may cause an extended Denial of Service condition. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15; 12.3X48 versions prior to 12.3X48-D95 on SRX Series; 14.1X50 versions prior to 14.1X50-D145; 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1R2; 15.1X49 versions prior to 15.1X49-D170 on SRX Series; 15.1X53 versions prior to 15.1X53-D67.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 66.5%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2020-1639
  • Juniper » Junos » Version: 12.3
    cpe:2.3:o:juniper:junos:12.3
  • Juniper » Junos » Version: 12.3x48
    cpe:2.3:o:juniper:junos:12.3x48
  • Juniper » Junos » Version: 14.1x50
    cpe:2.3:o:juniper:junos:14.1x50
  • Juniper » Junos » Version: 14.1x53
    cpe:2.3:o:juniper:junos:14.1x53
  • Juniper » Junos » Version: 15.1
    cpe:2.3:o:juniper:junos:15.1
  • Juniper » Junos » Version: 15.1x49
    cpe:2.3:o:juniper:junos:15.1x49
  • Juniper » Junos » Version: 15.1x53
    cpe:2.3:o:juniper:junos:15.1x53


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