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CVE-2015-6421

UnknownEPSS 1.93%

Last modified

CVE-2015-6421 is a vulnerability of currently unknown severity. cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service (WAAS) and Virtual WAAS (vWAAS) devices 5.x before 5.3.5d and 5.4 and 5.5 before 5.5.3 allows remote attackers to cause a denial of service (resource consumption and device reload) via crafted network traffic, aka Bug ID CSCus85330.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service (WAAS) and Virtual WAAS (vWAAS) devices 5.x before 5.3.5d and 5.4 and 5.5 before 5.5.3 allows remote attackers to cause a denial of service (resource consumption and device reload) via crafted network traffic, aka Bug ID CSCus85330.

Metrics

EPSS Probability
1.93%

77.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoWide Area Application Services5.1.1
CiscoWide Area Application Services5.1.1a
CiscoWide Area Application Services5.1.1b
CiscoWide Area Application Services5.1.1c
CiscoWide Area Application Services5.1.1d
CiscoWide Area Application Services5.2.1
CiscoWide Area Application Services5.2_base
CiscoWide Area Application Services5.3.1
CiscoWide Area Application Services5.3.3
CiscoWide Area Application Services5.3.5
CiscoWide Area Application Services5.3.5a
CiscoWide Area Application Services5.3.5b
CiscoWide Area Application Services5.3.5c

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-6421?
cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service (WAAS) and Virtual WAAS (vWAAS) devices 5.x before 5.3.5d and 5.4 and 5.5 before 5.5.3 allows remote attackers to cause a denial of service (resource consumption and device reload) via crafted network traffic, aka Bug ID CSCus85330.
How severe is CVE-2015-6421?
Severity scoring for CVE-2015-6421 is pending analysis. The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.
How do I fix CVE-2015-6421?
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.

How Strix Helps

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Source: NVD / NIST