CVE-2021-44080

Name: CVE-2021-44080
Creator: NVD / NIST
Published: 2022-06-02T14:15:31.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 23.67%

Last modified Jun 17, 2026

CVE-2021-44080 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A Command Injection vulnerability in httpd web server (setup.cgi) in SerComm h500s, FW: lowi-h500s-v3.4.22 allows logged in administrators to arbitrary OS commands as root in the device via the connection_type parameter of the statussupport_diagnostic_tracing.json endpoint.. EPSS estimates a 23.67% chance of exploitation in the next 30 days.

Description

A Command Injection vulnerability in httpd web server (setup.cgi) in SerComm h500s, FW: lowi-h500s-v3.4.22 allows logged in administrators to arbitrary OS commands as root in the device via the connection_type parameter of the statussupport_diagnostic_tracing.json endpoint.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

23.67%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Sercomm	H500s Firmware	lowi-h500s-v3.4.22

References

https://research.nccgroup.com/2022/05/24/technical-advisory-sercomm-h500s-authenticated-remote-command-execution-cve-2021-44080/Exploit, Third Party Advisory
https://www.sercomm.comVendor Advisory
https://research.nccgroup.com/2022/05/24/technical-advisory-sercomm-h500s-authenticated-remote-command-execution-cve-2021-44080/Exploit, Third Party Advisory
https://www.sercomm.comVendor Advisory

Timeline

Published: Jun 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44080?

How severe is CVE-2021-44080?

CVE-2021-44080 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 23.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44080?

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-2021-44080?

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

Scan your code now

Source: NVD / NIST