NVD / CVE Program· CNA mitre

CVE-2023-26601: Zoho ManageEngine ServiceDesk Plus through 14104, Asset Explorer through 6987, ServiceDesk Plus MSP before 14000, and Support Center Plus be

Noroxi assessment

Priority: Plan (action score 40/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 34% (FIRST EPSS); higher than 98.4% of all records.
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.
According to CISA the attack is automatable: targets can be found by mass scanning.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Add it to your regular patch cycle. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Zoho ManageEngine ServiceDesk Plus through 14104, Asset Explorer through 6987, ServiceDesk Plus MSP before 14000, and Support Center Plus before 14000 allow Denial-of-Service (DoS).

HighCVSS 7.5 · v3.1—No exploit No fix recorded

Published: Mar 6, 2023
Updated: Jun 17, 2026
EPSS: 34.0% · 98th percentile
CWE: CWE-400

Report tools

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Action score

Plan

Add it to your regular patch cycle.

CVSS: 30 / 40 · 7.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 10 / 30 · 34.0%

CISA SSVC decision

Exploitation: none
Automatable: yes
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
zohocorp	manageengine assetexplorer	cpe:2.3:a:zohocorp:manageengine_assetexplorer
zohocorp	manageengine servicedesk plus	cpe:2.3:a:zohocorp:manageengine_servicedesk_plus
zohocorp	manageengine servicedesk plus msp	cpe:2.3:a:zohocorp:manageengine_servicedesk_plus_msp
zohocorp	manageengine supportcenter plus	cpe:2.3:a:zohocorp:manageengine_supportcenter_plus

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

zohocorp manageengine assetexplorerbefore 6.9
zohocorp manageengine assetexplorer6.9
zohocorp manageengine servicedesk plusbefore 14.1
zohocorp manageengine servicedesk plus14.1
zohocorp manageengine servicedesk plus mspbefore 14.0
zohocorp manageengine servicedesk plus msp14.0
zohocorp manageengine supportcenter plusbefore 14.0
zohocorp manageengine supportcenter plus14.0

Same product

zohocorp: all records

Other highest-scoring records for the same primary product.

CVE-2021-20110Due to Manage Engine Asset Explorer Agent 1.0.34 not validating HTTPS certificates, an attacker on the network can statically configure thei
41Plan
CVE-2019-12994Server Side Request Forgery (SSRF) exists in Zoho ManageEngine AssetExplorer version 6.2.0 for the AJaxServlet servlet via a parameter in a
37Monitor
CVE-2019-12959Server Side Request Forgery (SSRF) exists in Zoho ManageEngine AssetExplorer 6.2.0 and before for the ClientUtilServlet servlet via a URL in
36Monitor

Published before and after this one in the same product

← EarlierCVE-2023-23075Feb 1, 2023 · Cross Site Scripting (XSS) vulnerability in Zoho Asset Explorer 6.9 via the credential name when creating a new Assets Workstation.
25Monitor
← EarlierCVE-2023-26600Mar 6, 2023 · ManageEngine ServiceDesk Plus through 14104, ServiceDesk Plus MSP through 14000, Support Center Plus through 14000, and Asset Explorer throu
28Monitor
Later →CVE-2023-29443Apr 26, 2023 · Zoho ManageEngine ServiceDesk Plus before 14105, ServiceDesk Plus MSP before 14200, SupportCenter Plus before 14200, and AssetExplorer befor
20Monitor

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.

No history yet (it accumulates with the daily EPSS job).

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 researchers

Finders, 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).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-23-0132 · Mar 7, 2023(Zoho ManageEngine Güvenlik Zafiyeti)

All national notices →

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: none
Integrity: none
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

CWE-400 · Uncontrolled Resource Consumption

CVSS vector

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

nvd-primary

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

The bug in code

The whole CWE-400 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1function expand(node) {
2  return node.children.map(expand);
3}

Fixed

1const MAX_DEPTH = 32;
2function expand(node, depth = 0) {
3  if (depth > MAX_DEPTH) throw new Error("too deep");
4  return node.children.map((c) => expand(c, depth + 1));
5}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

Endpoint Denial of ServiceT1499

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

manageengine.com

Show all references (1 more)

www.manageengine.com/products/service-desk/CVE-2023-26601.html

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records