vulnwire
7.5high

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…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.9%
percentile 90%
Public exploits
0
none known

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 messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.

Exploit prediction (EPSS)

3.90% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds
Cisco IOS (RSS, critical only)

References

  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20160525-ipv6 · vendor-advisory, x_refsource_CISCO, x_transferred
  • securitytracker.com /id/1035964 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/90872 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1035965 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securitytracker.com /id/1035962 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securitytracker.com /id/1036651 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • huawei.com /en/psirt/security-advisories/huawei-sa-20160824-01-ipv6-en · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1035963 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.