CVE-2021-43509

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

1.85% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.2% 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

2022-02-01 13:14Z4 YR AGO

Last updated

2024-08-04 03:55Z2 YR AGO

Reserved

2021-11-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base

Data version

5.1

Document digest

58201ce444329da128d153fcd39b8890f1568de9c95b706ccfa796e994ffd7c7

• r4hn1.medium.comhttps://r4hn1.medium.com/journey-to-first-two-cve-by-rahul-kalnarayan-307e2e87ee26x_refsource_MISC
• github.comhttps://github.com/r4hn1/Simple-Client-Management-System-Exploit/blob/main/CVE-2021-43509x_refsource_MISC