10

CVE-2021-42669: engineers_online_portal_project engineers_online_portal

CVSS: 10.0v2.0HighModified
Published 05-11-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-42669 is a high (CVSS 10.0) vulnerability in engineers_online_portal_project engineers_online_portal. EPSS estimates a 23.27% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
23.27%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github

Timeline

  1. 05-11-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

23.27%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 23.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
23.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Cve 2021 42669

    Maturity: poc

  • githubUnverified

    Cve Mitre

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Engineers_online_portal_project1 product

1 vendor · 1 product

References

3 links