CVE-2021-36622

CRITICALCVSS 9.8/10EPSS 1.87%

Last modified

CVE-2021-36622 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Sourcecodester Online Covid Vaccination Scheduler System 1.0 is affected vulnerable to Arbitrary File Upload. The admin panel has an upload function of profile photo accessible at http://localhost/scheduler/admin/?page=user. EPSS estimates a 1.87% chance of exploitation in the next 30 days.

Description

Sourcecodester Online Covid Vaccination Scheduler System 1.0 is affected vulnerable to Arbitrary File Upload. The admin panel has an upload function of profile photo accessible at http://localhost/scheduler/admin/?page=user. An attacker could upload a malicious file such as shell.php with the Content-Type: image/png. Then, the attacker have to visit the uploaded profile photo to access the shell.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.87%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Online Covid Vaccination Scheduler System ProjectOnline Covid Vaccination Scheduler System1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-36622?
Sourcecodester Online Covid Vaccination Scheduler System 1.0 is affected vulnerable to Arbitrary File Upload. The admin panel has an upload function of profile photo accessible at http://localhost/scheduler/admin/?page=user. An attacker could upload a malicious file such as shell.php with the Content-Type: image/png. Then, the attacker have to visit the uploaded profile photo to access the shell.
How severe is CVE-2021-36622?
CVE-2021-36622 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36622?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36622?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST