CVE-2011-0943

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-05-31 · updated 2026-06-16
Weakness: CWE-399

Description

Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.

Affected products

Cisco IOS XR Software: 3.8.3, 3.8.4, 3.9.1

References

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18e.shtml
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18e.shtml

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