A vulnerability in the email filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthent…

Published 9 y ago 2016-11-19 · modified 4 mo ago 2026-06-17 · JSON

CVSS

5.3

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.1%

percentile 67%

Public exploits

none known

A vulnerability in the email filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass Advanced Malware Protection (AMP) filters that are configured for an affected device. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for both virtual and hardware versions of Cisco Email Security Appliances, if the AMP feature is configured to scan incoming email attachments. More Information: CSCuz85823. Known Affected Releases: 10.0.0-082 9.7.0-125 9.7.1-066. Known Fixed Releases: 10.0.0-203 9.7.2-131.

Exploit prediction (EPSS)

1.13% probability of exploitation in the next 30 days, higher than 67% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	5.3	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`
NVD	2.0	5.0	`AV:N/AC:L/Au:N/C:P/I:N/A:N`

Affected products

n/a Cisco AsyncOS 9.7.1-066 through 10.0.0-082

Classification

Weakness

CWE-20 Improper Input Validation

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20161116-esa2 · x_refsource_CONFIRM, x_transferred
securityfocus.com /bid/94363 · vdb-entry, x_refsource_BID, x_transferred

Sources

CVE List: CVE-2016-6463
NVD: CVE-2016-6463

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.