CVE-2011-2549

Severity: high (CVSS 7.8 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: 2011-07-28 · updated 2026-06-16

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.

Affected products

Cisco Asr 9006 Router: all versions
Cisco Asr 9010 Router: all versions
Cisco IOS XR Software: 4.1.0

References

http://secunia.com/advisories/45333
http://securitytracker.com/id?1025811
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b89155.shtml
http://www.securityfocus.com/bid/48811
https://exchange.xforce.ibmcloud.com/vulnerabilities/68733
http://secunia.com/advisories/45333
http://securitytracker.com/id?1025811
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b89155.shtml
http://www.securityfocus.com/bid/48811
https://exchange.xforce.ibmcloud.com/vulnerabilities/68733

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