VDB-182509 · CVE-2021-38406 · icsa-21-252-02

Delta Electronics DOPSoft up to 2.00.07 Project File Parser out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Delta Electronics DOPSoft up to 2.00.07. It has been classified as critical. This affects an unknown function of the component Project File Parser. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2021-38406. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Delta Electronics DOPSoft up to 2.00.07. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Project File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Delta Electronic DOPSoft 2 (Version 2.00.07 and prior) lacks proper validation of user-supplied data when parsing specific project files. This could result in multiple out-of-bounds write instances. An attacker could leverage this vulnerability to execute code in the context of the current process.

The weakness was shared 09/13/2021 as icsa-21-252-02. The advisory is shared at us-cert.cisa.gov. This vulnerability is known as CVE-2021-38406. It demands that the victim is doing some kind of user interaction. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/13/2025).

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 08/25/2022 with a due date of 09/15/2022:

The impacted product is end-of-life and should be disconnected if still in use.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Delta Electronics

Name

DOPSoft

Version

2.00.07

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/10/2021 🔍
09/13/2021 +34 days 🔍
09/13/2021 +0 days 🔍
05/03/2025 +1328 days 🔍

Sourcesinfo

Advisory: icsa-21-252-02
Status: Confirmed

CVE: CVE-2021-38406 (🔍)
GCVE (CVE): GCVE-0-2021-38406
GCVE (VulDB): GCVE-100-182509
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2021 19:58
Updated: 05/03/2025 12:01
Changes: 09/13/2021 19:58 (37), 09/16/2021 11:43 (1), 04/27/2024 13:33 (27), 09/24/2024 11:53 (3), 02/13/2025 00:45 (31), 05/03/2025 12:01 (4)
Complete: 🔍
Cache ID: 216::103