CVE & CISA-KEV Catalog

CVE-2021-22640

HIGH

7.5

CVSS v3

Description

An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.

CWE-294 CWE-307 CWE-522

How to fix

Remediation Available

tbox lt2-530 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

tbox lt2-532 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

tbox lt2-540 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

tbox ms-cpu32-s2 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

tbox ms-cpu32 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

tbox rm2 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

tbox tg2 firmwareNVD

Affected:< 1.46Fixed in:1.46CVE-2021-22640derived from NVD

twinsoftNVD

Affected:< 12.4Fixed in:12.4CVE-2021-22640derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.69%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Third-Party Advisory1

cisa.gov

Related Vulnerabilities

Other CWE-294 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-23397	Critical	9.8	97%	KEV	Fix
CVE-2017-3191	Critical	9.8	63%	-	-
CVE-2023-49231	Critical	9.8	43%	-	-
CVE-2002-0054	High	7.5	22%	-	-
CVE-2022-22806	Critical	9.8	12%	-	-
CVE-2022-29593	Medium	5.9	10%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-17.