An issue was discovered in Zoho ManageEngine ServiceDesk Plus 9.3 Build 9317.
An issue was discovered in Zoho ManageEngine ServiceDesk Plus 9.3 Build 9317. Unauthenticated users are able to validate domain user accounts by sending a request containing the username to an API endpoint. The endpoint will return the user's logon domain if the accounts exists, or 'null' if it does not.
- Published
- May 11, 2018
- Updated
- Jun 16, 2026
- EPSS
- 6.1% · 93th percentile
- CWE
- —
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 21 / 40 · 5.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 6.1%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| zohocorp | manageengine servicedesk plus | cpe:2.3:a:zohocorp:manageengine_servicedesk_plus |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- zohocorp manageengine servicedesk plus9.3
Same product
zohocorp: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-37415Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authenticatioKEV99Now
- CVE-2021-44077Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unKEV97Now
- CVE-2019-8394Zoho ManageEngine ServiceDesk Plus (SDP) before 10.0 build 10012 allows remote attackers to upload arbitrary files via login page customizatKEV75This week
- CVE-2022-40770Zoho ManageEngine ServiceDesk Plus versions 13010 and prior are vulnerable to authenticated command injection.52Plan
- CVE-2021-20080Insufficient output sanitization in ManageEngine ServiceDesk Plus before version 11200 and ManageEngine AssetExplorer before version 6800 al52Plan
- CVE-2023-23074Cross site scripting (XSS) vulnerability in Zoho ManageEngine ServiceDesk Plus 14 via embedding videos in the language component.49Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/104287
- medium.com/%40esterling_/cve-2018-7248-enumerating-active-directory-users-via-unauthenticated-manageengine-servicedesk-a1eda2942eb0
Vendor advisories and official records. Exploit/PoC links are deliberately left out.