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CVE-2011-3295

HIGH · CVSS 7.8EPSS 1.8%EU EUVD

The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-20
EPSS score
1.8% (78th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3259)
Published
May 2, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3259 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr
  • cisco / ios xr

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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