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01 Record

CVE-2011-0943

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.

UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.20% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 67.7% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2011-05-31 20:00Z15 YR AGO
Last updated
2024-09-16 20:11Z2 YR AGO
Reserved
2011-02-10
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
16d976ca47bfab26327f0ebe0bd43d7590f785c44909ce2c57c07fd3a31eec1a

05 Affected products

VendorProductVersionsPlatforms
ciscoios_xrNot specified—

06 References