CVE-2021-33019: deltaww dopsoft Stack-based Buffer Overflow
CVSS: 7.8v3.1HighModified
Published 30-08-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-33019 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in deltaww dopsoft. EPSS estimates a 2.50% chance of exploitation in the next 30 days, higher than 84.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
2.50%
0%100%
Low · +0.13 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow vulnerability in Delta Electronics DOPSoft Version 4.00.11 and prior may be exploited by processing a specially crafted project file, which may allow an attacker to execute arbitrary code.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.50%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
+0.13 pp
From 2.38% on 21-09-2026
21-09-202621-10-2026
EPSS score2.50%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Deltaww1 product
- dopsoft≤ 4.00.11
1 vendor · 1 product
References
2 links
us-cert.cisa.gov/ics/advisories/icsa-21-238-04X Refsource MISCThird Party AdvisoryUS Government Resource