Improper input validation in Cisco Ios
CVE-2016-1409
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND m…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.048 (89.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cisco Ios — versions 12.0\(1\), 12.0\(1\)db, 12.0\(1\)s
- Cisco Ios_xe — versions 2.1.0, 2.1.1, 2.1.2
- Cisco Ios_xr — versions 2.0.0, 3.0.0, 3.0.1
- Cisco Nx-os — versions 1.0\(1.110a\), 1.0\(1e\), 1.0\(2j\)
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 20160525 Cisco Products IPv6 Neighbor Discovery Crafted Packet Denial of Service Vulnerability (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- 1035964 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- 90872 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
- 1035965 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- 1035962 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
- 1036651 (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CONFIRM, Third Party Advisory)
- 1035963 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2016-1409?
- CVE-2016-1409 is a high-severity vulnerability in Cisco Ios, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-05-29.
- How severe is CVE-2016-1409?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-1409 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.