CVE-2020-10221Known exploitationPublic exploitNetwork attack vector

Authenticated command execution via fileName shell injection

Published Mar 8, 2020 · Updated Oct 21, 2025

OS command injection in rConfig 3.9.4 and earlier allows remote authenticated users to execute arbitrary commands through a crafted fileName value. lib/ajaxHandlers/ajaxAddTemplate.php incorporates the fileName POST parameter into a shell command without neutralizing shell metacharacters. Valid rConfig credentials and network access to the web interface are required; successful exploitation runs commands with the web service's privileges.

CVSS severity8.8
High
EPSS probability80.22%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in rConfig 3.9.4 and earlier allows remote authenticated users to execute arbitrary commands through a crafted fileName value. lib/ajaxHandlers/ajaxAddTemplate.php incorporates the fileName POST parameter into a shell command without neutralizing shell metacharacters. Valid rConfig credentials and network access to the web interface are required; successful exploitation runs commands with the web service's privileges.

The record

CVE
CVE-2020-10221
Published
Mar 8, 2020
Updated
Oct 21, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 8, 2020CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.0NIST NVDAV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Command and Scripting Interpreter: Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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