Actively exploited · Published Sep 17, 2021 · Assigned by icscert

CVE-2021-38406Delta Electronics DOPSoft 2 Out-of-Bounds Write

High 7.8 Exploited

In plain English

A high-severity out-of-bounds write in DOPSoft 2 from Delta Electronics. Attackers are actively exploiting it in the wild (listed by CISA on August 25, 2022). The chance it is exploited in the next 30 days is estimated at 76.4% (higher than 99.5% of all known vulnerabilities). The impacted product is end-of-life and should be disconnected if still in use.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)76.4%top 0.5% of all CVEs
Exploited in the wildYesCISA KEV since Aug 25, 2022
Attack toolingNoneno public tooling known

CISA guidance

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

Federal agencies must remediate by Sep 15, 2022.

Official description

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.

Affected products (as reported)

VendorProductVersions
Delta Electronics DOPSoft 2 unspecified – through 2.00.07

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References