Kaseya VSA RMM access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Kaseya VSA RMM. This affects an unknown part. Such manipulation leads to access control. This vulnerability is referenced as CVE-2018-20753. It is possible to launch the attack remotely. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Kaseya VSA RMM (version unknown) and classified as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Kaseya VSA RMM before R9.3 9.3.0.35, R9.4 before 9.4.0.36, and R9.5 before 9.5.0.5 allows unprivileged remote attackers to execute PowerShell payloads on all managed devices. In January 2018, attackers actively exploited this vulnerability in the wild.

The bug was discovered 01/30/2018. The weakness was published 02/05/2019. This vulnerability is handled as CVE-2018-20753 since 02/04/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 371 days. During that time the estimated underground price was around $0-$5k. This issue was added on 04/13/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/04/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA 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-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2018 🔍
02/04/2019 +370 days 🔍
02/05/2019 +1 days 🔍
02/06/2019 +1 days 🔍
02/05/2025 +2191 days 🔍

Sourcesinfo

Advisory: blog.huntresslabs.com
Status: Confirmed

CVE: CVE-2018-20753 (🔍)
GCVE (CVE): GCVE-0-2018-20753
GCVE (VulDB): GCVE-100-130550
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/06/2019 13:44
Updated: 02/05/2025 04:27
Changes: 02/06/2019 13:44 (52), 05/08/2020 13:00 (1), 07/06/2023 09:52 (4), 04/25/2024 16:32 (25), 09/09/2024 22:30 (1), 01/27/2025 19:31 (3), 02/05/2025 04:27 (11)
Complete: 🔍
Cache ID: 216::103

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