Distributed Data Systems WebHMI 4.0 Portal unrestricted upload
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Distributed Data Systems WebHMI 4.0. It has been classified as critical. Impacted is an unknown function of the component Portal. The manipulation leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2021-43936. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is recommended.
Details
A vulnerability was found in Distributed Data Systems WebHMI 4.0. It has been rated as critical. This issue affects an unknown code block of the component Portal. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 12/06/2021 as icsa-21-336-03. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2021-43936 since 11/16/2021. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.
The exploit is available at exploit-db.com. It is declared as proof-of-concept.
Upgrading to version 4.1 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Exploit-DB (50589). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.9VulDB Meta Temp Score: 9.5
VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 10.0
CNA Vector (ICS-CERT): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: WebHMI 4.1
Timeline
11/16/2021 🔍12/06/2021 🔍
12/06/2021 🔍
12/30/2024 🔍
Sources
Advisory: icsa-21-336-03Status: Confirmed
CVE: CVE-2021-43936 (🔍)
GCVE (CVE): GCVE-0-2021-43936
GCVE (VulDB): GCVE-100-187577
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/06/2021 21:21Updated: 12/30/2024 09:29
Changes: 12/06/2021 21:21 (50), 12/09/2021 15:03 (1), 12/09/2021 15:08 (16), 12/09/2021 15:14 (1), 12/30/2024 09:29 (23)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.