CVE-2019-8394

Q: How do I fix CVE-2019-8394?

Upgrade manageengine servicedesk plus to 10.0.0 or later.

Q: Is CVE-2019-8394 being actively exploited?

Yes. CVE-2019-8394 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2022-05-03. Treat it as a priority whatever its CVSS score says.

Q: How severe is CVE-2019-8394?

CVE-2019-8394 has a CVSS v3 base score of 6.5, rated medium. 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-2019-8394 affect?

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

MEDIUMCISA KEVEPSS 99th pctl

6.5

CVSS v3

NVD

Description

Zoho ManageEngine ServiceDesk Plus (SDP) before 10.0 build 10012 allows remote attackers to upload arbitrary files via login page customization.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

manageengine servicedesk plusNVD

Affected:< 10.0.0Fixed in:10.0.0CVE-2019-8394derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

63.34%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Zoho ManageEngine ServiceDesk Plus (SDP) File Upload Vulnerability

Zoho ManageEngine ServiceDesk Plus (SDP) contains an unspecified vulnerability that allows remote users to upload files via login page customization.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

References

Exploit1

exploit-db.com

Vendor Advisory1

manageengine.com

Third-Party Advisory1

securityfocus.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

Common questions

How do I fix CVE-2019-8394?

Upgrade manageengine servicedesk plus to 10.0.0 or later.

Is CVE-2019-8394 being actively exploited?

Yes. CVE-2019-8394 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2022-05-03. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2019-8394?

CVE-2019-8394 has a CVSS v3 base score of 6.5, rated medium. 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-2019-8394 affect?

Published advisories record a fix for manageengine servicedesk plus (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 2025-11-07.