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CVE-2013-3386

HIGH · CVSS 7.8EPSS 1.9%EU EUVD

The IronPort Spam Quarantine (ISQ) component in the web framework in IronPort AsyncOS on Cisco Email Security Appliance devices before 7.1.5-106 and 7.3, 7.5, and 7.6 before 7.6.3-019 and Content Security Management Appliance devices before 7.9.1-102 and 8.0 before 8.0.0-404 allows remote attackers to cause a denial of service (service crash or hang) via a high rate of TCP connection attempts, aka Bug IDs CSCzv25573 and CSCzv81712.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-399
EPSS score
1.9% (80th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-3321)
Published
June 27, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-3321 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / content security management
  • cisco / email security appliance firmware
  • cisco / ironport asyncos
  • cisco / ironport asyncos
  • cisco / ironport asyncos
  • cisco / ironport asyncos
  • cisco / ironport asyncos
  • cisco / ironport asyncos

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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