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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
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
- kb.juniper.net/JSA10786 (Vendor Advisory)
- www.securitytracker.com/id/1038254 (vdb-entry)
- www.securityfocus.com/bid/97607 (VDB Entry, Third Party Advisory, vdb-entry)
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.