Cyber Resilience

CVE-2021-27440

Critical

Published: 25 March 2021

Published
25 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0027 50.7th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-27440 is a critical-severity Use of Hard-coded Password (CWE-259) vulnerability in Ge Reason Dr60 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 49.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The software contains a hard-coded password it uses for its own inbound authentication or for outbound communication to external components on the Reason DR60 (all firmware versions prior to 02A04.1).

CWE(s)

Related Threats

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

Affected Assets

ge
reason dr60 firmware
≤ 02a04.1

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-259 CWE-798

Changing default authenticators prior to first use directly prevents use of hard-coded passwords.

addresses: CWE-798 CWE-259

Intelligence programs surface reports of campaigns that abuse hard-coded credentials in products, prompting removal or replacement and thereby reducing successful exploitation.

addresses: CWE-798 CWE-259

Vetting reduces the chance a developer will deliberately insert hard-coded credentials as a backdoor or unauthorized access mechanism.

addresses: CWE-798 CWE-259

Supplier risk reviews identify and discourage hard-coded credentials in delivered products or services.

addresses: CWE-798

Enables users to notice when hard-coded credentials have been exploited for unauthorized access.

addresses: CWE-798

Security training explicitly warns against hard-coded credentials, lowering their use in systems.

addresses: CWE-798

Policy and procedures prohibit hard-coded credentials in favor of managed authentication.

addresses: CWE-798

External identity providers eliminate the need for hard-coded credentials in applications.

References