8.8
HIGH CVSS 3.1
CVE-2021-47853
phpPgAdmin 7.13.0 - COPY FROM PROGRAM Command Execution
Description

phpPgAdmin 7.13.0 contains a remote command execution vulnerability that allows authenticated attackers to execute arbitrary system commands through SQL query manipulation. Attackers can create a custom table, upload a malicious .txt file, and use the COPY FROM PROGRAM command to execute operating system commands with the application's privileges.

INFO

Published Date :

Jan. 21, 2026, 6:16 p.m.

Last Modified :

Jan. 21, 2026, 6:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-47853 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update phpPgAdmin to a version that addresses arbitrary command execution via SQL injection.
  • Upgrade to a secure version of phpPgAdmin.
  • Remove any custom tables created by attackers.
  • Review application logs for suspicious activity.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47853.

URL Resource
https://github.com/phppgadmin/phppgadmin/releases
https://www.exploit-db.com/exploits/49736
https://www.vulncheck.com/advisories/phppgadmin-copy-from-program-command-execution
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47853 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47853 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47853 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 21, 2026

    Action Type Old Value New Value
    Added Description phpPgAdmin 7.13.0 contains a remote command execution vulnerability that allows authenticated attackers to execute arbitrary system commands through SQL query manipulation. Attackers can create a custom table, upload a malicious .txt file, and use the COPY FROM PROGRAM command to execute operating system commands with the application's privileges.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added Reference https://github.com/phppgadmin/phppgadmin/releases
    Added Reference https://www.exploit-db.com/exploits/49736
    Added Reference https://www.vulncheck.com/advisories/phppgadmin-copy-from-program-command-execution
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.6
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact