An arbitrary file upload vulnerability in /upgrade/control.php of ZenTao Community Edition v18.10, ZenTao Biz v8.10, and ZenTao Max v4.10 al
An arbitrary file upload vulnerability in /upgrade/control.php of ZenTao Community Edition v18.10, ZenTao Biz v8.10, and ZenTao Max v4.10 allows attackers to execute arbitrary code via uploading a crafted .txt file.
- Published
- Feb 8, 2024
- Updated
- Jun 17, 2026
- EPSS
- 1.0% · 61th percentile
- CWE
- CWE-434
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Report tools
Action score
39
Monitor
Low priority for now.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.0%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; 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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| easycorp | zentao | cpe:2.3:a:easycorp:zentao |
| easycorp | zentao biz | cpe:2.3:a:easycorp:zentao_biz |
| easycorp | zentao max | cpe:2.3:a:easycorp:zentao_max |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- easycorp zentao18.10
- easycorp zentao biz8.10
- easycorp zentao max4.10
Same product
easycorp: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-47745ZenTao 16.4 to 18.0.beta1 is vulnerable to SQL injection.40Plan
- CVE-2024-24216Zentao v18.0 to v18.10 was discovered to contain a remote code execution (RCE) vulnerability via the checkConnection method of /app/zentao/m39Monitor
- CVE-2020-28165The EasyCorp ZenTao PMS 12.4.2 application suffers from an arbitrary file upload vulnerability.39Monitor
- CVE-2023-44827An issue in ZenTao Community Edition v.18.6 and before, ZenTao Biz v.8.6 and before, ZenTao Max v.4.7 and before allows an attacker to execu35Monitor
- CVE-2022-37700Zentao Demo15 is vulnerable to Directory Traversal.31Monitor
- CVE-2021-27556The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin access) to execute arbitrary code by setting the type par29Monitor
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
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-434 · Unrestricted Upload of File with Dangerous TypeCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Attack patterns (CAPEC)
ATT&CK techniques
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.