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Cisco Bug: CSCvs81773 - Nmap TCP-Based Service Denial of Service Vulnerability

Last Modified

Apr 14, 2020

Products (35)

  • Cisco Firepower Management Center
  • Cisco FirePOWER Appliance 8260
  • Cisco Firepower Management Center 2500
  • Cisco FirePOWER Appliance 7050
  • Cisco Firepower Management Center 4600
  • Cisco FirePOWER Appliance 8360
  • Cisco FirePOWER Appliance 8120
  • Cisco AMP 8150
  • Cisco FirePOWER Appliance 8130
  • Cisco FirePOWER Appliance 8140
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Known Affected Releases

6.4.0 6.5.0 6.6.0

Description (partial)

This product includes Third-party Software that is affected by the
vulnerabilities identified by the following Common Vulnerability and
Exposures (CVE) IDs:


This bug was opened to address the potential impact on this product.

Device with default configuration.

(Note that CVE-2018-15173 was already fixed in 6.4.0 and 6.5.0 as part of CSCvn75713 with a manual patch which included the fix. Since at the time, 7.70 was the latest release of Nmap, which did not include the fix, therefore the fix was manually patched. This bug upgrades Nmap to 7.80, which includes the fix for the CVE, as well as many other fixes. Therefore, 6.4.0 and 6.5.0 are not vulnerable to the CVE)
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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