CVE-2017-6633
mediumpriority · track · 31EPSS 0.021 · 82 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- cisco unified computing system= 3.0(0.234)nvdUScpe:2.3:a:cisco:unified_computing_system:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCva65544Patchcnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-ucsccnnvd
- http://www.securityfocus.com/bid/98525enisa_euvd
- http://www.securitytracker.com/id/1038513enisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-ucscenisa_euvd
- http://www.securityfocus.com/bid/98525Third Party AdvisoryVDB Entrynvd
- http://www.securitytracker.com/id/1038513nvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-ucscVendor Advisorynvd
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