How severe is CVE-2016-4889?

CVE-2016-4889 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4889?

CVE-2016-4889 affects Zohocorp Servicedesk Plus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4889?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-4889 published?

CVE-2016-4889 was published on 2017-04-14 and last updated on 2026-06-17.

CVE-2016-4889

CVE-2016-4889 is a high-severity vulnerability in Zohocorp Servicedesk Plus with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Zohocorp Servicedesk Plus
Published: 2017-04-14
Last modified: 2026-06-17

Description

ZOHO ManageEngine ServiceDesk Plus before 9.0 allows remote authenticated guest users to have unspecified impact by leveraging failure to restrict access to unknown functions.

Frequently asked questions

What is CVE-2016-4889?: ZOHO ManageEngine ServiceDesk Plus before 9.0 allows remote authenticated guest users to have unspecified impact by leveraging failure to restrict access to unknown functions.
How severe is CVE-2016-4889?: CVE-2016-4889 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4889?: CVE-2016-4889 affects Zohocorp Servicedesk Plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-4889 published?: CVE-2016-4889 was published on 2017-04-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zohocorp:servicedesk_plus:*:*:*:*:*:*:*:*

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