CVE-2015-4199 - Vulnerability Details - OpenCVE

Description

Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (NULL pointer free and module crash) by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID CSCug47366.

Published: 2015-06-27

Score: 7.1 High

EPSS: 2.1% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:cisco:ios:15.3s:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2015-4222	Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (NULL pointer free and module crash) by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID CSCug47366.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.02124.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://tools.cisco.com/security/center/viewAlert.x?alertId=39423
http://www.securityfocus.com/bid/75335
http://www.securitytracker.com/id/1032692

History

No history.

Subscriptions

Cisco Ios

MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2015-06-27T10:00:00.000Z

Updated: 2024-08-06T06:04:02.979Z

Reserved: 2015-06-04T00:00:00.000Z

Link: CVE-2015-4199

Vulnrichment

No data.

NVD

Status : Modified

Published: 2015-06-27T10:59:00.143

Modified: 2026-06-17T00:26:54.403

Link: CVE-2015-4199

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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