CVE-2015-4203

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.2% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2015-06-23 14:00Z11 YR AGO

Last updated

2024-08-06 06:04Z2 YR AGO

Reserved

2015-06-04

Assigning CNA

cisco

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.1

Document digest

d3f9ccd092982aaac66c12549b3c1e83ec190605dd5205b6fb415e1ffe0ce415

• www.securitytracker.com1032692http://www.securitytracker.com/id/1032692vdb-entryx_refsource_SECTRACK
• tools.cisco.com20150622 Cisco IOS Software UBR Devices IPv6 VPN Multiprotocol Label Switching Denial of Service Vulnerabilityhttp://tools.cisco.com/security/center/viewAlert.x?alertId=39439vendor-advisoryx_refsource_CISCO
• www.securityfocus.com75339http://www.securityfocus.com/bid/75339vdb-entryx_refsource_BID