CVE-2016-6372
HighSummary
A vulnerability in email message and content filtering in Cisco AsyncOS for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) allows an unauthenticated, remote attacker to bypass filtering functionality. Emails that should have been quarantined could instead be processed.
Risk Assessment
The organization may be at risk of processing malicious emails, potentially leading to system infections or data breaches.
Recommendation
It is recommended to update Cisco AsyncOS software to the latest version to mitigate this vulnerability and to configure message and content filters to enhance security.
Other vulnerabilities in Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA)
Original NVD description (English source)
A vulnerability in the email message and content filtering for malformed Multipurpose Internet Mail Extensions (MIME) headers of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of the targeted device. Emails that should have been quarantined could instead be processed. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA on both virtual and hardware appliances that are configured with message or content filters to scan incoming email attachments. More Information: CSCuy54740, CSCuy75174. Known Affected Releases: 9.7.1-066 9.5.0-575 WSA10.0.0-000. Known Fixed Releases: 10.0.0-125 9.1.1-038 9.7.2-047.

