CVE-2015-6291 — Improper Input Validation in Cisco Email Security Appliance

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 37.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco Email Security Appliance
Timeline
PublishedNov 6
Latest updateMay 17

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.

CVSS vector

AV:N/AC:L/C:N/I:N/A:CExploitability: 10.0 | Impact: 6.9

Affected Packages1 packages

▶NVDcisco/email_security_appliance16 versions+15

🔴Vulnerability Details

2
GHSA
GHSA-xmvm-48fw-3ghc: Cisco AsyncOS before 8↗2022-05-17
▶
CVEList
CVE-2015-6291: Cisco AsyncOS before 8↗2015-11-06
▶

📋Vendor Advisories

1
Cisco
Cisco Email Security Appliance Email Scanner Denial of Service Vulnerability↗2015-11-04
▶
CVE-2015-6291 — Improper Input Validation in Cisco | cvebase