CVE-2015-6321
Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-042 on Email Security Appliance (ESA) devices; before 9.1.0-032, 9.1.1 before 9.1.1-005, and 9.5.x before 9.5.0-025 on Content Security Management Appliance (SMA) devices; and before 7.7.0-725 and 8.x before 8.0.8-113 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via a flood of TCP packets, aka Bug IDs CSCus79774, CSCus79777, and CSCzv95795.
- EPSS
- 2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
- CWE
- CWE-399
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cisco:content_security_management_appliance
- cisco:email_security_appliance
- cisco:web_security_appliance
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aos
- http://www.securitytracker.com/id/1034060
- http://www.securitytracker.com/id/1034061
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aos
- http://www.securitytracker.com/id/1034060