CVE-2015-6321 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

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.

CVSS Score

7.8

HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality

NONE

Integrity

NONE

Availability

COMPLETE

Affected Products

Vendor	Product	Versions
Cisco	Web Security Appliance	5.6.0-623
Cisco	Content Security Management Appliance	7.8.0-328
Cisco	Email Security Appliance	7.6.1-000

Related Weaknesses (CWE)

CWE-399

References

FAQ

What is CVE-2015-6321?

CVE-2015-6321 is a vulnerability with a CVSS score of 7.8 (HIGH). 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, ...

How severe is CVE-2015-6321?

CVE-2015-6321 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-6321?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Web Security Appliance, Cisco Content Security Management Appliance, Cisco Email Security Appliance.