CVE-2021-45470

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

1.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.5% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/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

2021-12-23 20:32Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase

Data version

5.1

Document digest

5cb16e5ff125baef5d57f56078f78c3a644150031a48d0b3eacc71a557a68a4c

• github.comhttps://github.com/cve-search/cve-search/pull/629x_refsource_MISC
• github.comhttps://github.com/cve-search/cve-search/commit/c621f9f0693a728b93ff3b964f948a1d25917207x_refsource_MISC
• github.comhttps://github.com/cve-search/cve-search/compare/v4.0...v4.1.0x_refsource_MISC