Buffer overflow in Cisco Nx-os
CVE-2016-1453
Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CS…
Vulnerability class: Buffer Overflow
EPSS: 0.261 (96.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Nx-os — versions 4.1.\(2\), 4.1.\(3\), 4.1.\(4\)
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 20161005 Cisco Nexus 7000 and 7700 Series Switches Overlay Transport Virtualization Buffer Overflow Vulnerability (x_refsource_CISCO, vendor-advisory, Mitigation, Vendor Advisory)
- 93409 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID, Not Applicable)
- 1036946 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK, Not Applicable)
Frequently asked questions
- What is CVE-2016-1453?
- CVE-2016-1453 is a critical-severity vulnerability in Cisco Nx-os, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-10-06.
- How severe is CVE-2016-1453?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-1453 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.