Cyber Resilience

CVE-2021-43043

MediumPublic PoC

Published: 06 December 2021

Published
06 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0039 60.6th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-43043 is a medium-severity an unspecified weakness vulnerability in Kaseya Unitrends Backup. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 39.4% 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

Vulnerability details

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The apache user could read arbitrary files such as /etc/shadow by abusing an insecure Sudo rule.

CWE(s)

Related Threats

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

Affected Assets

kaseya
unitrends backup
10.0 — 10.5.5

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References