CVE-2016-6458

UnknownEPSS 2.21%

Last modified

CVE-2016-6458 is a vulnerability of currently unknown severity. A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass content filters configured on an affected device. Email that should have been filtered could instead be forwarded by the device. EPSS estimates a 2.21% chance of exploitation in the next 30 days.

Description

A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass content filters configured on an affected device. Email that should have been filtered could instead be forwarded by the device. 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 use a content filter for email attachments that are protected or encrypted. More Information: CSCva52546. Known Affected Releases: 10.0.0-125 9.7.1-066.

Metrics

EPSS Probability
2.21%

80.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoEmail Security Appliance Firmware9.7.1-066
CiscoEmail Security Appliance Firmware9.7.2-046
CiscoEmail Security Appliance Firmware9.7.2-047
CiscoEmail Security Appliance Firmware9.7.2-054
CiscoEmail Security Appliance Firmware9.9.6-026
CiscoEmail Security Appliance Firmware9.9_base
CiscoEmail Security Appliance Firmware10.0.0-124
CiscoEmail Security Appliance Firmware10.0.0-125

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-6458?
A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass content filters configured on an affected device. Email that should have been filtered could instead be forwarded by the device. 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 use a content filter for email attachments that are protected or encrypted. More Information: CSCva52546. Known Affected Releases: 10.0.0-125 9.7.1-066.
How severe is CVE-2016-6458?
Severity scoring for CVE-2016-6458 is pending analysis. The EPSS model estimates a 2.21% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6458?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-6458?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST