Buffer overflow in Cisco Ucs C220 M4 Rack Server
CVE-2017-6633
A vulnerability in the TCP throttling process of Cisco UCS C-Series Rack Servers 3.0(0.234) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient rate-limiting protection. An attacker could exploit this vulnerability by sending a high rate of TCP SYN packets to a specific TCP listening port on an affected device. An exploit could allow the attacker to cause a specific TCP listening port to stop accepting new connections, resulting in a DoS condition. Cisco Bug IDs: CSCva65544.
Vulnerability class: Buffer Overflow
EPSS: 0.021 (80.1th 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 Ucs_c220_m4_rack_server
- Cisco Ucs_c240_m4_rack_server
- Cisco Ucs_c3160_rack_server
- Cisco Ucs_c460_m4_rack_server
- Cisco Unified_computing_system — versions 3.0\(0.234\)
- N/a Cisco Ucs C-series Rack Servers — versions Cisco UCS C-Series Rack Servers
Weakness classification (CWE)
References
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6633?
- CVE-2017-6633 is a high-severity vulnerability in Cisco Ucs C220 M4 Rack Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-05-22.
- How severe is CVE-2017-6633?
- High severity. CVSS v3 base score is 7.5 out of 10.