Skip to content
Fencer Vulns
high 7.2

CVE-2021-44080 in the critical feed json

A Command Injection vulnerability in httpd web server (setup.cgi) in SerComm h500s, FW: lowi-h500s-v3.4.22 allows logged in administrators…

published 2022-06-01 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30938

cvss
7.2
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
24.9%
EPSS 24.9% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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.

Exploit prediction

24.92% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • research.nccgroup.com https://research.nccgroup.com/2022/05/24/technical-advisory-sercomm-h500s-authenticated-remote-command-execution-cve-2021-44080/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.