Cyber Resilience

CVE-2022-40939

MediumPublic PoC

Published: 08 December 2022

Published
08 December 2022
Modified
22 April 2025
KEV Added
Patch
CVSS Score v3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0015 35.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-40939 is a medium-severity Cleartext Transmission of Sensitive Information (CWE-319) vulnerability in Secu Secustation Firmware. Its CVSS base score is 4.9 (Medium).

Operationally, ranked at the 35.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

In certain Secustation products the administrator account password can be read. This affects V2.5.5.3116-S50-SMA-B20171107A, V2.3.4.1301-M20-TSA-B20150617A, V2.5.5.3116-S50-RXA-B20180502A, V2.5.5.3116-S50-SMA-B20190723A, V2.5.5.3116-S50-SMB-B20161012A, V2.3.4.2103-S50-NTD-B20170508B, V2.5.5.3116-S50-SMB-B20160601A, V2.5.5.2601-S50-TSA-B20151229A, and V2.5.5.3116-S50-SMA-B20170217.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

secu
secustation firmware
2.3.4.1301-m20-tsa-b20150617a, 2.3.4.2103-s50-ntd-b20170508b, 2.5.5.2601-s50-tsa-b20151229a, 2.5.5.3116-s50-rxa-b20180502a, 2.5.5.3116-s50-sma-b20170217

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-319

Role-based training covers secure transmission methods, mitigating cleartext transmission of sensitive data.

addresses: CWE-319

By requiring documented security controls for information exchanges, the control reduces the risk of cleartext transmission of sensitive data.

addresses: CWE-319

Mapping transmission actions in data flows helps prevent cleartext transmission of sensitive information.

addresses: CWE-319

Settings can enforce secure transmission protocols to prevent cleartext transmission of sensitive data.

addresses: CWE-319

Policy addresses secure transport and handling of media to avoid cleartext transmission of sensitive information.

addresses: CWE-319

Enforces safeguards against cleartext transmission of CUI when data leaves organizational boundaries to external systems.

addresses: CWE-319

Explicit controls and continuous oversight on external system services prevent cleartext transmission of sensitive information over provider-managed channels.

addresses: CWE-319

Key-establishment procedures specify secure distribution channels that preclude cleartext transmission of key material.

References