CVE-2015-6922

Q: How do I fix CVE-2015-6922?

Upgrade virtual system administrator to 9.1.0.9 or later.

Q: Is CVE-2015-6922 being actively exploited?

Not that we know of. CVE-2015-6922 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 82.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.

Q: How severe is CVE-2015-6922?

CVE-2015-6922 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2015-6922 affect?

Published advisories record a fix for virtual system administrator (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 100th pctl

9.8

CVSS v3

NVD

Description

Kaseya Virtual System Administrator (VSA) 7.x before 7.0.0.33, 8.x before 8.0.0.23, 9.0 before 9.0.0.19, and 9.1 before 9.1.0.9 does not properly require authentication, which allows remote attackers to bypass authentication and (1) add an administrative account via crafted request to LocalAuth/setAccount.aspx or (2) write to and execute arbitrary files via a full pathname in the PathData parameter to ConfigTab/uploader.aspx.

CWE-287Improper Authentication

How to fix

Remediation Available

virtual system administratorNVD

Affected:>= 9.1.0.0, < 9.1.0.9Fixed in:9.1.0.9CVE-2015-6922derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

82.10%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Exploit2

Vendor Advisory1

helpdesk.kaseya.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

Common questions

How do I fix CVE-2015-6922?

Upgrade virtual system administrator to 9.1.0.9 or later.

Is CVE-2015-6922 being actively exploited?

Not that we know of. CVE-2015-6922 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 82.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.

How severe is CVE-2015-6922?

CVE-2015-6922 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2015-6922 affect?

Published advisories record a fix for virtual system administrator (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.