Vulnerability Monitor

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CVE-2015-6291

Cisco AsyncOS before 8.5.7-043, 9.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-046 on Email Security Appliance (ESA) devices mishandles malformed fields during body-contains, attachment-contains, every-attachment-contains, attachment-binary-contains, dictionary-match, and attachment-dictionary-match filtering, which allows remote attackers to cause a denial of service (memory consumption) via a crafted attachment in an e-mail message, aka Bug ID CSCuv47151.

Published

2015-11-06T03:59:00.090

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco email_security_appliance 7.7.0-000 Yes
Application cisco email_security_appliance 7.7.1-000 Yes
Application cisco email_security_appliance 8.0_base Yes
Application cisco email_security_appliance 8.5.6-052 Yes
Application cisco email_security_appliance 8.5.6-073 Yes
Application cisco email_security_appliance 8.5.6-074 Yes
Application cisco email_security_appliance 8.5.6-106 Yes
Application cisco email_security_appliance 8.5.6-113 Yes
Application cisco email_security_appliance 8.5.7-042 Yes
Application cisco email_security_appliance 8.5_base Yes
Application cisco email_security_appliance 9.0.0 Yes
Application cisco email_security_appliance 9.0.0-212 Yes
Application cisco email_security_appliance 9.0.0-461 Yes
Application cisco email_security_appliance 9.0.5-000 Yes
Application cisco email_security_appliance 9.1.0-032 Yes
Application cisco email_security_appliance 9.6.0-042 Yes
References