PT-2016-6841 · Cisco · Cisco Email Security Appliance+1

Published 2016-10-28 · Updated 2017-07-29 · CVE-2016-6357

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance (ESA) versions 9.7.1-066 through 10.0.9-015, 9.9.6-026

Description A vulnerability in the configured security policies of Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass a configured drop filter by using an email with a corrupted attachment.

Recommendations For version 9.7.1-066, update to a version that includes the fix for this issue. For version 9.9.6-026, update to a version that includes the fix for this issue. For version 10.0.9-015, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting the handling of emails with corrupted attachments to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-388

Related Identifiers

CVE-2016-6357

Affected Products

Cisco Asyncos

Cisco Email Security Appliance

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esa5 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-6357 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6357 · Security Note
• http://securityfocus.com/bid/93909 · Note
• http://securitytracker.com/id/1037114 · Note