Detections
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Linux Distros Unpatched Vulnerability : CVE-2021-47853

high Nessus Plugin ID 296223

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - 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. (CVE-2021-47853)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://security-tracker.debian.org/tracker/CVE-2021-47853

Plugin Details

Severity: High

ID: 296223

File Name: unpatched_CVE_2021_47853.nasl

Version: 1.1

Type: local

Agent: unix

Family: Misc.

Published: 1/22/2026

Updated: 1/22/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2021-47853

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:14.0, p-cpe:/a:debian:debian_linux:phppgadmin, cpe:/o:debian:debian_linux:13.0

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 1/21/2026

Reference Information

CVE: CVE-2021-47853