CVE-2021-44521

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

58.89% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2022-02-11 12:20Z4 YR AGO

Last updated

2024-08-04 04:25Z2 YR AGO

Reserved

2021-12-02

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-94Improper Control of Generation of Code ('Code Injection')Base
• CWE-732Incorrect Permission Assignment for Critical ResourceClass

Data version

5.1

Document digest

207bd0b4fb9b959fbd30c3972a42b054c53b93f4bd6eb309eb17f2f85c00a710

• lists.apache.orghttps://lists.apache.org/thread/y4nb9s4co34j8hdfmrshyl09lokm7356x_refsource_MISC
• www.openwall.com[oss-security] 20220211 CVE-2021-44521: Apache Cassandra: Remote code execution for scripted UDFshttp://www.openwall.com/lists/oss-security/2022/02/11/4mailing-listx_refsource_MLIST
• jfrog.comhttps://jfrog.com/blog/cve-2021-44521-exploiting-apache-cassandra-user-defined-functions-for-remote-code-execution/x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20220225-0001/x_refsource_CONFIRM