Kaseya Unitrends Backup Appliance prior 10.5.5 vaultServer buffer overflow
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability classified as critical has been found in Kaseya Unitrends Backup Appliance (Backup Software). Affected is an unknown code block of the component vaultServer. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-120. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. A buffer overflow existed in the vaultServer component. This was exploitable by a remote unauthenticated attacker.
The weakness was disclosed 12/06/2021. The advisory is available at helpdesk.kaseya.com. This vulnerability is traded as CVE-2021-43042 since 10/26/2021. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.
Upgrading to version 10.5.5 eliminates this vulnerability.
CVSSv3VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
NVD Base Score: 🔒
ExploitingClass: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Upgrade: Unitrends Backup Appliance 10.5.5
Timeline10/26/2021 CVE assigned
12/06/2021 +41 days Advisory disclosed
12/06/2021 +0 days VulDB entry created
12/09/2021 +3 days VulDB last update
CVE: CVE-2021-43042 (🔒)
EntryCreated: 12/06/2021 08:00 AM
Updated: 12/09/2021 09:50 AM
Changes: (18) vulnerability_cvss2_nvd_basescore vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss3_nvd_basescore vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a
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