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 CSCuy95701.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.081 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.081 · newest: 0.081 · change: 0.000
Affected products
- Cisco Nx-Os — versions base, 5.2(1), 4.2(8)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005… (vendor-advisory, Mitigation, Vendor Advisory)
- www.securityfocus.com/bid/93409 (VDB Entry, Third Party Advisory, vdb-entry, Not Applicable)
- www.securitytracker.com/id/1036946 (VDB Entry, Third Party Advisory, vdb-entry, 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.