Improper input validation in Juniper Junos
CVE-2017-2340
On Juniper Networks Junos OS 15.1 releases from 15.1R3 to 15.1R4, 16.1 prior to 16.1R3, on M/MX platforms where Enhanced Subscriber Management for DHCPv6 subscribers is configured, a vulnerability in processing IPv6 ND packets originating from subscribers and destined to M/MX series routers can result in a PFE (Packet Forwarding Engine) hang or crash.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.022 (81.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Juniper Junos — versions 15.1, 16.1
- Juniper Networks Junos Os On M/mx Platforms Where Enhanced Subscriber Management For Dhcpv6 Subscribers Is Configured — versions 15.1 releases from 15.1R3 to 15.1R4, 16.1 prior to 16.1R3, 16.2R1 and all subsequent releases have a resolution for this vulnerability
Weakness classification (CWE)
References
- sirt@juniper.net (x_refsource_CONFIRM, Vendor Advisory)
- sirt@juniper.net (vdb-entry, x_refsource_SECTRACK)
- sirt@juniper.net (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-2340?
- CVE-2017-2340 is a medium-severity vulnerability in Juniper Junos, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2017-04-24.
- How severe is CVE-2017-2340?
- Medium severity. CVSS v3 base score is 5.3 out of 10.