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CVE-2015-4203

UnknownEPSS 2.22%

Last modified

CVE-2015-4203 is a vulnerability of currently unknown severity. Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

Description

Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.

Metrics

EPSS Probability
2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos12.2\(33\)sch
CiscoIos12.2sch

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-4203?
Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine (PRE) module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service (PXF process crash) by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396.
How severe is CVE-2015-4203?
Severity scoring for CVE-2015-4203 is pending analysis. The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4203?
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-2015-4203?

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

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Source: NVD / NIST