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CVE-2016-1481

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-10-28 · updated 2026-06-17
• Weakness: CWE-20

Description

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter that contains certain rules. More Information: CSCux59873. Known Affected Releases: 8.5.6-106 9.1.0-032 9.7.0-125. Known Fixed Releases: 9.1.1-038 9.7.1-066.

Affected products

• Cisco Email Security Appliance (ESA): 8.5.0-000, 8.5.0-er1-198, 8.5.6-052, 8.5.6-073, 8.5.6-074, 8.5.6-106 (+24)

References

• http://www.securityfocus.com/bid/93908
• http://www.securitytracker.com/id/1037123
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esa1
• http://www.securityfocus.com/bid/93908
• http://www.securitytracker.com/id/1037123
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esa1

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