Muyun DedeBIZ Add Attachment unrestricted upload
Noroxi assessment
Priority: Monitor (action score 28/100)
- 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: 0.83% (FIRST EPSS); higher than 57.4% of all records.
- Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
- According to the record, no fixed version is available yet.
- Severity is disputed: the assigning authority (CNA) scores it 4.7, NVD 7.2.
Low priority for now. 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
A vulnerability was found in Muyun DedeBIZ up to 6.2.12 and classified as critical. Affected by this issue is some unknown functionality of the component Add Attachment Handler. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249368. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Published
- Dec 30, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.8% · 57th percentile
- CWE
- CWE-434
Report tools
Action score
28
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.8%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 7.2
- CNA · VulDB
- 4.7
- 2.5 point gap
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
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.
We use this product, ask for helpAffected 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 |
|---|---|---|
| dedebiz | dedebiz | cpe:2.3:a:dedebiz:dedebiz |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- dedebiz dedebizup to 6.2.12 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
Muyun DedeBIZ
- 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.2.10, 6.2.11 … (+1)affected
Same product
dedebiz: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-31546Cross Site Scripting (XSS) vulnerability in DedeBIZ v6.0.3 allows attackers to run arbitrary code via the search feature.53Plan
- CVE-2024-52770An arbitrary file upload vulnerability in the component /admin/file_manage_control of DedeBIZ v6.3.0 allows attackers to execute arbitrary c39Monitor
- CVE-2023-43234DedeBIZ v6.2.11 was discovered to contain multiple remote code execution (RCE) vulnerabilities at /admin/file_manage_control.php via the $ac39Monitor
Published before and after this one in the same product
- ← EarlierCVE-2023-5268Sep 29, 2023 · DedeBIZ makehtml_taglist_action.php sql injection28Monitor
- ← EarlierCVE-2023-6755Dec 13, 2023 · DedeBIZ content_batchup_action.php sql injection28Monitor
- Later →CVE-2024-0557Jan 15, 2024 · DedeBIZ Website Copyright Setting cross site scripting21Monitor
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.
- JTZ- (VulDB User)analyst
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2024-52769326 days apartAn arbitrary file upload vulnerability in the component /admin/friendlink_edit of DedeBIZ v6.3.0 allows attackers to execute arbitrary code 28Monitor
- CVE-2024-7903232 days apartDedeBIZ File Extension media_add.php unrestricted upload21Monitor
- CVE-2024-7904232 days apartDedeBIZ File Extension file_manage_control.php unrestricted upload21Monitor
- CVE-2024-7905232 days apartDedeBIZ archives_do.php AdminUpload unrestricted upload21Monitor
- CVE-2024-7906232 days apartDedeBIZ Attachment Settings select_images_post.php get_mime_type unrestricted upload21Monitor
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.
- Administrator privileges are 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
- High
- 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:H/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.
References
Show all references (1 more)Show less
Vendor advisories and official records. Exploit/PoC links are deliberately left out.