PT-2021-7090 · Delta Electronics · Dopsoft 2

Kimiya · Published 2021-08-09 · Updated 2025-10-30 · CVE-2021-38406

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Delta Electronic DOPSoft 2 versions 2.00.07 and prior

Description The issue is caused by a lack of proper validation of user-supplied data when parsing specific project files, which could result in multiple out-of-bounds write instances. An attacker could leverage this to execute code in the context of the current process. The vulnerability is also described as a buffer overflow in dynamic memory, which may allow an attacker to execute arbitrary code.

Recommendations For Delta Electronic DOPSoft 2 versions 2.00.07 and prior, update to a version that includes proper validation of user-supplied data when parsing project files to prevent out-of-bounds write instances. As a temporary workaround, consider restricting the parsing of specific project files until a patch is available.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2022-03274

CVE-2021-38406

ZDI-21-952

ZDI-21-953

ZDI-21-954

ZDI-21-955

ZDI-21-956

ZDI-21-957

ZDI-21-958

ZDI-21-960

Affected Products

Dopsoft 2

References · 20

• https://osv.dev/vulnerability/CVE-2021-38406 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-953 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-960 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-957 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-958 · Security Note
• https://bdu.fstec.ru/vul/2022-03274 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-955 · Security Note
• https://cisa.gov/uscert/ics/advisories/icsa-21-252-02 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-952 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-954 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-38406 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-956 · Security Note
• https://t.me/cveNotify/140978 · Telegram Post
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38406 · Note
• https://t.me/echeloneyes/615 · Telegram Post