CVE-2021-40859
CriticalPublic PoC
Published: 07 December 2021
Published
07 December 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
0.7980
99.1th percentile
Risk Priority
67
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-40859 is a critical-severity an unspecified weakness vulnerability in Auerswald Compact 5500R Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 0.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-28015
Vulnerability details
Backdoors were discovered in Auerswald COMpact 5500R 7.8A and 8.0B devices, that allow attackers with access to the web based management application full administrative access to the device.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
auerswald
compact 5500r firmware
7.8a, 8.0b
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.