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CVE-2016-5696

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier…

Medium4.8EPSS 14.5%
Published
Updated
Reserved
Assigned by
mitre

Description

net/ipv4/tcp_input.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for remote attackers to hijack TCP sessions via a blind in-window attack.

Scores

CVSS scores of CVE-2016-5696, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium4.8CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS (exploitation in 30 days)
14.5% · top 3.4% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (32)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .