CVE-2021-38611

Name: CVE-2021-38611
Creator: NVD / NIST
Published: 2021-08-24T12:15:09.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2021-38611 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A command-injection vulnerability in the Image Upload function of the NASCENT RemKon Device Manager 4.0.0.0 allows attackers to execute arbitrary commands, as root, via shell metacharacters in the filename parameter to assets/index.php.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

A command-injection vulnerability in the Image Upload function of the NASCENT RemKon Device Manager 4.0.0.0 allows attackers to execute arbitrary commands, as root, via shell metacharacters in the filename parameter to assets/index.php.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.93%

77.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Nascent	Remkon Device Manager	4.0.0.0

References

https://www.blacklanternsecurity.com/2021-08-23-Nascent-RemKon-CVEs/Exploit, Third Party Advisory
https://www.nascent.com/single-post/2019/01/17/nascent-technology-releases-remkon-31-to-enhance-audio-experienceVendor Advisory
https://www.blacklanternsecurity.com/2021-08-23-Nascent-RemKon-CVEs/Exploit, Third Party Advisory
https://www.nascent.com/single-post/2019/01/17/nascent-technology-releases-remkon-31-to-enhance-audio-experienceVendor Advisory

Timeline

Published: Aug 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38611?

How severe is CVE-2021-38611?

CVE-2021-38611 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38611?

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-2021-38611?

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

Scan your code now

Source: NVD / NIST