CVE-2015-4291

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-08-01 · updated 2026-06-17
Weakness: CWE-399

Description

Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted series of fragmented (1) IPv4 or (2) IPv6 packets, aka Bug ID CSCtd72617.

Affected products

Cisco IOS XE: 2.1.0, 2.1.1, 2.1.2, 2.2.1, 2.2.2, 2.2.3 (+7)

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150730-asr1k
http://www.securitytracker.com/id/1033131
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150730-asr1k
http://www.securitytracker.com/id/1033131

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