CVE-2021-44080 — HIGH (7.2)

Vulnerability 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.

CVSS Score

7.2

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sercomm	H500S Firmware	lowi-h500s-v3.4.22
Sercomm	H500S	-

Related Weaknesses (CWE)

CWE-78

References

https://research.nccgroup.com/2022/05/24/technical-advisory-sercomm-h500s-authenExploitThird Party Advisory
https://www.sercomm.comVendor Advisory
https://research.nccgroup.com/2022/05/24/technical-advisory-sercomm-h500s-authenExploitThird Party Advisory
https://www.sercomm.comVendor Advisory

FAQ

What is CVE-2021-44080?

CVE-2021-44080 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 connec...

How severe is CVE-2021-44080?

CVE-2021-44080 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-44080?

Check the references section above for vendor advisories and patch information. Affected products include: Sercomm H500S Firmware, Sercomm H500S.