Cyber Resilience

CVE-2021-33843

Medium

Published: 21 January 2022

Published
21 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0020 41.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33843 is a medium-severity Files or Directories Accessible to External Parties (CWE-552) vulnerability in Fresenius-Kabi Agilia Sp Mc Wifi Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 41.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Fresenius Kabi Agilia SP MC WiFi vD25 and prior has a default configuration page accessible without authentication. An attacker may use this functionality to change the exposed configuration values such as network settings.

CWE(s)

Related Threats

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

Affected Assets

fresenius-kabi
agilia sp mc wifi firmware
≤ d25

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-306 CWE-552

Requires verification of individual access authorizations before granting facility entry, addressing missing authentication for critical physical access.

addresses: CWE-306 CWE-552

Knowing every system allows confirmation that critical functions are not left without required authentication mechanisms.

addresses: CWE-306 CWE-552

Requires authentication gates on critical functions that must remain unavailable to anonymous public users.

addresses: CWE-306 CWE-552

Decoy implementations of critical functions without authentication lure and record attackers probing for missing auth checks.

addresses: CWE-306

Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.

addresses: CWE-306

Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.

addresses: CWE-306

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-552

Controls on authorized publication limit files and directories with nonpublic data from becoming accessible to external parties.

References