Delta Electronics DIAScreen - Type Confusion, Out-of-bounds Write

published 2022-05-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19686

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

Delta Electronics DIAScreen versions prior to 1.1.0 are vulnerable to type confusion, which may allow an attacker to remotely execute arbitrary code.

Patch / fix

fixed in 1

Delta Electronics DIAScreen v1.1.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-208-05 updated 2021-07-27 cvss 7.8

Delta Electronics DIAScreen

Delta Electronics DIAScreen < 1.1.0
affected: vendor fix diastudio.deltaww.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Delta Electronics DIAScreen

Classification

Weakness

CWE-843 Access of Resource Using Incompatible Type

References

cisa.gov /uscert/ics/advisories/icsa-21-208-05
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-32965
NVD CVE-2021-32965

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary