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Vulnerability record · CVE-2021-45417 · published 20 January 2022

CVE-2021-45417: Advanced intrusion detection environment project advanced intrusion detection environment out-of-bounds write vulnerability

AAdvanced Intrusion Detection Environment Project · Advanced Intrusion Detection Environment

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.

7.8 CVSS 3.1 High EPSS 0.49% · top 60.0% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 7.2
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
12References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2022/01/20/3 ExploitMailing ListMitigationPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202311-07
https://www.debian.org/security/2022/dsa-5051 Third Party Advisory
https://www.ipi.fi/pipermail/aide/2022-January/001713.html ExploitMailing ListMitigationPatchThird Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/20/3 ExploitMailing ListMitigationPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/20/3 ExploitMailing ListMitigationPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202311-07
https://www.debian.org/security/2022/dsa-5051 Third Party Advisory
https://www.ipi.fi/pipermail/aide/2022-January/001713.html ExploitMailing ListMitigationPatchThird Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/20/3 ExploitMailing ListMitigationPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-45417), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.