CVE-2021-47757

Name: CVE-2021-47757
Creator: NVD / NIST
Published: 2026-01-15T16:16:06.51+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2021-47757 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability in the backup restoration functionality. Authenticated attackers can upload a modified backup zip file with a malicious PHP shell to execute arbitrary system commands on the server.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

Chikitsa Patient Management System 2.0.2 contains an authenticated remote code execution vulnerability in the backup restoration functionality. Authenticated attackers can upload a modified backup zip file with a malicious PHP shell to execute arbitrary system commands on the server.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Chikitsa	Patient Management System	2.0.2

References

https://github.com/sanskruti-technologies/chikitsaProduct
https://sourceforge.net/projects/chikitsa/Product
https://www.chikitsa.io/Product
https://www.exploit-db.com/exploits/50572Exploit, VDB Entry

Timeline

Published: Jan 15, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-47757?

How severe is CVE-2021-47757?

CVE-2021-47757 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2021-47757?

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-2021-47757?

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

Scan your code now

Source: NVD / NIST