CVE-2021-3239

E Learning System vulnerability

CVSS

9.8

EPSS

17.9%

EPSS pct

97th

Exploited

No known

E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.

Affected vendor

E Learning System Project

Affected product

E Learning System

CVSS vector

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

Weakness type (CWE)

CWE-89 — SQL Injection

Published

2021-02-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 17.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2021-3239

Confirm whether E Learning System Project E Learning System is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-3239.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-3239

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-3239 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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