CVE-2016-4484
CVE-2016-4484 is a medium-severity vulnerability in Cryptsetup Project Cryptsetup with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Cryptsetup Project Cryptsetup
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2016-4484?
- 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.
- How severe is CVE-2016-4484?
- CVE-2016-4484 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-4484 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-4484?
- CVE-2016-4484 affects Cryptsetup Project Cryptsetup. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-4484?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2016-4484 published?
- CVE-2016-4484 was published on 2017-01-23 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*
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