VULNERABILITY INTELLIGENCE
CVE-2015-6291
CVSS score7.8 HIGH
EPSS probability1.93%
CISA KEVNot currently listed
Published2015-11-06
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Description
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- psirt@cisco.com — Vendor Advisory
- psirt@cisco.com
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108