CVE-2021-33318

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

2.02% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 79.2% 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

2022-05-16 15:12Z4 YR AGO

Last updated

2024-08-03 23:50Z2 YR AGO

Reserved

2021-05-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-704Incorrect Type Conversion or CastClass

Data version

5.1

Document digest

4532bba0bcd89486d55f1dee22bd04befc3a49232975da47873ee54c7bbe601e

• github.comhttps://github.com/jchristn/IpMatcherx_refsource_MISC
• github.comhttps://github.com/jchristn/WatsonWebserverx_refsource_MISC
• github.comhttps://github.com/kaoudis/advisories/blob/main/0-2021.mdx_refsource_MISC
• github.comhttps://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89x_refsource_MISC