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CVE-2016-4889

26
FAUCET Score

CVE-2016-4889 is a high-severity vulnerability affecting ZOHO ManageEngine ServiceDesk Plus before version 9.0. It allows remote authenticated guest users to achieve significant impact due to unrestricted access to unknown functions. The vulnerability has a CVSS v3 score of 8.8 (High), indicating a network-based attack with low privileges and no user interaction, potentially leading to high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.2CPE matchmatch criteria
cpe:2.3:a:zohocorp:servicedesk_plus:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.68%
Probability of exploitation in next 30 days
EPSS Percentile
84.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0268 is in the 83rd percentile among its peer group of 17,805 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / en/contents/2016/JVNDB-2016-000170.html
Third Party AdvisoryVDB Entry
jvn.jp / en/jp/JVN89726415/index.html
Third Party AdvisoryVDB Entry
manageengine.com / products/service-desk/readme-9.0.html
securityfocus.com / bid/93215
Third Party AdvisoryVDB Entry