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CVE-2020-10221

rConfig OS Command Injection

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 77.1%
  1. Published8 Mar 2020
  2. Added to CISA KEV3 Nov 2021
  3. Remediation due3 May 2022
Actively exploited (CISA KEV)

rConfig lib/ajaxHandlers/ajaxAddTemplate.php contains an OS command injection vulnerability that allows remote attackers to execute OS commands via shell metacharacters in the fileName POST parameter.

Added to KEV: 3 Nov 2021Federal remediation due: 3 May 2022

Description

lib/ajaxHandlers/ajaxAddTemplate.php in rConfig through 3.94 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the fileName POST parameter.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Rconfig≤ 3.9.4

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2020-10221 being actively exploited?

Yes. CVE-2020-10221 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021.

How severe is CVE-2020-10221?

CVE-2020-10221 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 77.1% probability of exploitation.

Which products are affected by CVE-2020-10221?

Affected products include Rconfig.

How do I fix CVE-2020-10221?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2020-10221 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.