The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets.
Published 2012-05-24 23:55:02
Updated 2023-02-13 04:32:37
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2011-3188

Top countries where our scanners detected CVE-2011-3188
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2011-3188 3,606
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-3188!
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Exploit prediction scoring system (EPSS) score for CVE-2011-3188

Probability of exploitation activity in the next 30 days: 1.57%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-3188

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.4
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:P
10.0
4.9
NIST
9.1
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.9
5.2
NIST

References for CVE-2011-3188

Products affected by CVE-2011-3188

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