CVE-2011-2549

high

Description

Unspecified vulnerability in Cisco IOS XR 4.1.x before 4.1.1 on Cisco Aggregation Services Routers (ASR) 9000 series devices allows remote attackers to cause a denial of service (line-card reload) via an IPv4 packet, aka Bug ID CSCtr26695.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/68733

http://www.securityfocus.com/bid/48811

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b89155.shtml

http://securitytracker.com/id?1025811

http://secunia.com/advisories/45333

Details

Source: Mitre, NVD

Published: 2011-07-28

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H