CVE-2021-45927

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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.3% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-12-31 23:59Z4 YR AGO

Last updated

2024-08-04 04:54Z2 YR AGO

Reserved

2021-12-31

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

2faa5a551cf0d7d8378c7e017f8d1a511474f047ff2438891182ced04f6480d8

• github.comhttps://github.com/mdbtools/mdbtools/commit/373b7ff4c4daf887269c078407cb1338942c4ea6x_refsource_MISC
• github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/mdbtools/OSV-2021-1003.yamlx_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36187x_refsource_MISC
• security.gentoo.orgGLSA-202208-12https://security.gentoo.org/glsa/202208-12vendor-advisoryx_refsource_GENTOO