Vulnerability in F5 Arx

CVE-2011-3188

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 · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.050 (92.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2011-3188: held from 0.051 to 0.050.

EPSS over last 30 days · oldest: 0.051 · newest: 0.050 · change: -0.001

Affected products

References

Frequently asked questions

What is CVE-2011-3188?
CVE-2011-3188 is a critical-severity vulnerability in F5 Arx. CVSS score: 9.1/10. Published 2012-05-24.
How severe is CVE-2011-3188?
Critical severity. CVSS v3 base score is 9.1 out of 10.