CVE-2016-4484

Severity: medium (CVSS 6.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-01-23 · updated 2026-06-17
Weakness: CWE-287

Description

The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell access via many log in attempts with an invalid password.

Affected products

cryptsetup: through 2.1.7.3-2

References

http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html
http://www.openwall.com/lists/oss-security/2016/11/14/13
http://www.openwall.com/lists/oss-security/2016/11/15/1
http://www.openwall.com/lists/oss-security/2016/11/15/4
http://www.openwall.com/lists/oss-security/2016/11/16/6
http://www.securityfocus.com/bid/94315
https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb
http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html
http://www.openwall.com/lists/oss-security/2016/11/14/13
http://www.openwall.com/lists/oss-security/2016/11/15/1
http://www.openwall.com/lists/oss-security/2016/11/15/4
http://www.openwall.com/lists/oss-security/2016/11/16/6

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