CVE-2021-45417

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 40.5% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-01-20 00:00Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

bd900cb38f5676e1f20fc7b091f43aea025fdc8337f48d736bbd929f579d4973

• www.openwall.comhttps://www.openwall.com/lists/oss-security/2022/01/20/3
• www.openwall.com[oss-security] 20220120 CVE-2021-45417 - aide (>= 0.13 <= 0.17.3): heap-based buffer overflow vulnerability in base64 functionshttp://www.openwall.com/lists/oss-security/2022/01/20/3mailing-list
• www.debian.orgDSA-5051https://www.debian.org/security/2022/dsa-5051vendor-advisory
• lists.debian.org[debian-lts-announce] 20220125 [SECURITY] [DLA 2894-1] aide security updatehttps://lists.debian.org/debian-lts-announce/2022/01/msg00024.htmlmailing-list
• www.ipi.fihttps://www.ipi.fi/pipermail/aide/2022-January/001713.html
• security.gentoo.orgGLSA-202311-07https://security.gentoo.org/glsa/202311-07vendor-advisory