Kaseya Unitrends Backup Appliance prior 10.5.5 Apache User access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Kaseya Unitrends Backup Appliance. Affected by this issue is some unknown functionality of the component Apache User Handler. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2021-43034. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Kaseya Unitrends Backup Appliance (Backup Software). It has been declared as critical. This vulnerability affects an unknown part of the component Apache User Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 12/06/2021. The advisory is shared for download at helpdesk.kaseya.com. This vulnerability was named CVE-2021-43034 since 10/26/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 10.5.5 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unitrends Backup Appliance 10.5.5

Timelineinfo

10/26/2021 🔍
12/06/2021 +41 days 🔍
12/06/2021 +0 days 🔍
12/09/2021 +3 days 🔍

Sourcesinfo

Advisory: helpdesk.kaseya.com
Status: Confirmed

CVE: CVE-2021-43034 (🔍)
GCVE (CVE): GCVE-0-2021-43034
GCVE (VulDB): GCVE-100-187540

Entryinfo

Created: 12/06/2021 07:55
Updated: 12/09/2021 09:39
Changes: 12/06/2021 07:55 (39), 12/09/2021 09:38 (1), 12/09/2021 09:39 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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