CVE-2015-4285

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-07-23 · updated 2026-06-17
Weakness: CWE-399

Description

The Local Packet Transport Services (LPTS) implementation in Cisco IOS XR 5.1.2, 5.1.3, 5.2.1, and 5.2.2 on ASR9k devices makes incorrect decisions about the opening of TCP and UDP ports during the processing of flow base entries, which allows remote attackers to cause a denial of service (resource consumption) by sending traffic to these ports continuously, aka Bug ID CSCur88273.

Affected products

Cisco IOS XR Software: 5.1.2, 5.1.3, 5.2.1, 5.2.2

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=40068
http://www.securitytracker.com/id/1033043
http://tools.cisco.com/security/center/viewAlert.x?alertId=40068
http://www.securitytracker.com/id/1033043

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