What is CVE-2021-22648?

CVE-2021-22648 is a high-severity vulnerability in Ovarro Tbox, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2022-07-28.

How severe is CVE-2021-22648?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-22648 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ovarro Tbox

CVE-2021-22648

Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.

EPSS: 0.008 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ovarro Tbox — versions LT2, MS-CPU32, MS-CPU32-S2
Ovarro Tbox_lt2-530
Ovarro Tbox_lt2-530_firmware
Ovarro Tbox_lt2-532
Ovarro Tbox_lt2-532_firmware
Ovarro Tbox_lt2-540
Ovarro Tbox_lt2-540_firmware
Ovarro Tbox_ms-cpu32
Ovarro Tbox_ms-cpu32_firmware
Ovarro Tbox_ms-cpu32-s2

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

ics-cert@hq.dhs.gov (x_refsource_CONFIRM, US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-22648?: CVE-2021-22648 is a high-severity vulnerability in Ovarro Tbox, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2022-07-28.
How severe is CVE-2021-22648?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-22648 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.