CVE-2021-44847

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

3.95% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

2021-12-13 00:53Z4 YR AGO

Last updated

2024-08-04 04:32Z2 YR AGO

Reserved

2021-12-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-682Incorrect CalculationPillar

Data version

5.1

Document digest

bf122911a75c3587b47ae961a8f718f8d76b6156d464cd5290c36ec265c95754

• github.comhttps://github.com/TokTok/c-toxcore/pull/1718x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-8026e9b394https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7EBS3NIRYJ7V3PTNINP3PJSVUHGZTGA/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-8b746a32c5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLTKINSPO5T65LB3ZASDPCREKUE22RYE/vendor-advisoryx_refsource_FEDORA