CVE-2021-3239

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

18.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.0% 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

2021-02-15 20:39Z5 YR AGO

Last updated

2024-08-03 16:53Z2 YR AGO

Reserved

2021-01-22

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

9e20ceebb4f803458a024f1a2ab47f30f6c20970c6b17cc22274585438abce60

• github.comhttps://github.com/TCSWT/E-Learning-System/blob/main/README.mdx_refsource_MISC
• www.exploit-db.comhttps://www.exploit-db.com/exploits/49434x_refsource_MISC
• www.sourcecodester.comhttps://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.htmlx_refsource_MISC
• packetstormsecurity.comhttps://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.htmlx_refsource_MISC
• github.comhttps://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821x_refsource_MISC